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[[File:Turret_Boxed.png|right|thumb|Sentry Turret packaging|200px]]
[[File:Turret Boxed.png|right|thumb|Sentry Turret packaging|200px]]
{{Quotation|'''Sentry Turret'''|Hello friend.|sound=Turret_turret_active_5.wav}}
{{Quotation|'''Sentry Turret'''|Hello friend.|sound=Turret_turret_active_5.wav}}
'''Turrets''' serve as one of the main obstacles in the ''Portal'' series. Armed with unlimited ammunition and deadly accuracy, they will attempt to kill the player on sight.


Turrets are voiced by [http://www.imdb.com/name/nm1655889/ Ellen McLain].
'''Turrets''' serve as one of the main testing obstacles in the ''Portal'' series. Armed with almost unlimited ammunition and deadly accuracy, they will attempt to kill test subjects on sight.
 
Standard Sentry Turrets are voiced by [http://www.imdb.com/name/nm1655889/ Ellen McLain], while Defective Turrets are voiced by [http://www.imdb.com/name/nm0636046/ Nolan North].
__TOC__
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==General==
== General ==
=== Sentry Turret ===
{{main|Sentry Turret}}
[[File:Portal2 Turret Standard.png|right|100px|The Sentry Turret]]
 
'''Sentry Turrets''' are tripod robots that appear in every game in the ''Portal'' series. They are seen as incapable of independent movement, but can open each side of their chassis (their "arms") horizontally in order to reveal twin double-barreled machine guns. The central part of the chassis holds their red eye, which emits a targeting laser. Almost all of the space within the Turret is devoted to storing the ridiculously stacked ammo, explaining the nearly infinite supply of ammo when firing. According to the ''Portal 2'' Turrets trailer, the turrets use spring mechanisms to accelerate the entire cartridge, including the casing, without igniting the propellant, which may explain how the player can survive getting shot by the Turret so many times. To quote Cave Johnson, "that's 65% more bullet per bullet."
 
When test subjects are out of sight from the Turret's presence, they will maintain a standby state and will remain motionless with their guns retracted. Moving into their angle of sight however, will cause Turrets to deploy their guns shortly after greeting the unlucky individual before opening fire. They will continue to fire until the target is dead or moves out of sight. If the latter occurs, Turrets will briefly search for the test subject (as indicated by the movement of the targeting laser), after which they will revert to a standby state.


===Sentry Turret===
Turrets can be avoided, disabled or destroyed in a number of ways. The most common method is knocking them over, causing them to flail and fire wildly before deactivating. This can be done by picking them up and dropping them, or using any object to tip them over. Additionally, the [[Thermal Discouragement Beam|Discouragement Beams]] or [[Material Emancipation Grill|Emancipation Grill]]s can be used to completely destroy them. When thrown into an [[Material Emancipation Grill|Emancipation Grill]] they will say [[Media:Turret turret fizzler 1.wav|"ow" repeatedly]].
[[File:Portal2 Turret Standard.png|right|100px|The Sentry Turret]]
'''Sentry Turrets''' appear as miniature tripod robots that appear in the ''Portal'' series. They are incapable of independent movement, but can open each side of their chassis (their 'arms') horizontally in order to reveal two gatling guns. The central part of the chassis holds their red 'eye', which emits a targeting laser. Almost all of the space within the turret is devoted to storing ammo.


When Turrets are unaware of the player's presence, they will maintain a standby state and will remain motionless with their guns retracted. Moving into their angle of sight however, will cause Turrets to deploy their guns with a voice line before opening fire. They will continue to fire until the player is dead or moves out of sight. If the latter occurs, Turrets will briefly search for the player (as indicated by the movement of the targeting laser), after which they will revert to a standby state.
In Portal, Turrets will shoot at bulletproof glass and through portals when the player is on the other side. In Portal 2, however, Turrets will only follow the player behind glass with their beam and will not shoot through portals, opening fire almost immediately when the player moves out of the glass or through the portal. In addition, Turrets appear to be unable to see through [[Hard Light Bridge]]s or [[Excursion Funnel]]s.


Turrets can be avoided, disabled or destroyed in a number of ways. The most common method is knocking them over, causing them to flail and fire wildly before deactivating. This can be done by picking them up and dropping them, or using any object to push them. Additionally, the [[Thermal Discouragement Beam]] or [[Emancipation Grid]] can be used to completely destroy them. It should be noted that once a Turret has been knocked over and deactivated, restoring it to an upright position will reactivate it and the Turret will function normally once again.
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===Rocket Turret===
=== Rocket Turret ===
[[File:Portal Rocket Turret.png|right|100px|The Rocket Turret]]
[[File:Portal Rocket Turret.png|left|80px|The Rocket Turret]]
The '''Rocket Turret''' is a unique enemy in [[Portal]]. It appears as a personality core outfitted with a rocket launcher. Upon activation, it will slowly lock onto Chell and emit a sound before launching a rocket. {{Spoiler|It plays a vital role in the battle with [[GLaDOS]], as rockets need to be sent through [[Portals]] in order to hit her, causing [[Cores#Personality Cores|personality cores]] to detach.}} Rockets can also shatter glass.
 
The '''Rocket Turret,''' also called a '''Rocket Sentry,''' is a unique enemy seen at the end of ''[[Portal]]''. It appears as a raw [[Cores|personality core]] outfitted with a rocket launcher. Upon activation, it will slowly lock onto the player and emit a sound before firing a rocket. Unlike Sentry turrets, it cannot be disabled or destroyed by the player; Attempting to redirect a rocket back at the turret with the use of portals will cause the projectile to fizzle upon impact. {{Spoiler|It plays a vital role in the battle with [[GLaDOS]], as rockets need to be sent through [[portals]] in order to hit her, causing [[Cores#Personality Cores|personality cores]] to detach from her.}}
 
Rockets can also be redirected to shatter the observation windows and other glass-made objects including a [[Pneumatic Diversity Vent]] throughout the offices and maintenance areas of the Enrichment Center.
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===Defective Turret===
 
=== Defective Turret ===
{{main|Defective Turret}}
[[File:Portal2 Turret Defective.png|right|100px|The Defective Turret]]
[[File:Portal2 Turret Defective.png|right|100px|The Defective Turret]]
'''Defective Turrets''', also called "Crap Turrets" by [[Wheatley]], are incomplete, ammo-less versions of Sentry Turrets. Unlike normal Sentry Turrets, Defective Turrets have a more humorous and sarcastic dialogue, and speak in a masculine, less robotic voice.


They are harmless to Chell, many times making comments such as "If anyone asks, I killed you". Their voice lines seem to imply they are blind, but they are still aware of Chell's presence. {{spoiler text|They are first encountered in Chapter 5: The Escape.}}
'''Defective Turrets''', referred to as "Crap Turrets" by [[Wheatley]], are incomplete, wrongly assembled and ammo-less versions of the Sentry Turrets introduced in ''[[Portal 2]]''. Unlike normal Sentry Turrets, Defective Turrets have a more humorous and sarcastic dialogue, and speak in a masculine, less robotic voice with a southern accent.
 
They are harmless to [[Chell]], many times making comments such as "If anyone asks, I killed you". Their voice lines seem to imply they are blind, but they are still aware of Chell's presence. {{spoiler|They are first encountered in Chapter 5, ''The Escape''.}}
 
In the game's [[co-op]] campaign, the Defective Turrets appear as obstacles for [[Atlas]] and [[P-body]] throughout the ''Mobility Gels'' testing course. These Turrets appear to be as fully functional as regular Sentry Turrets and possess the innocent and feminine voice tones as they should. The only difference from regular Turrets is that they have been defaced. This is most likely because [[Aperture Science]] had not yet developed the modern casing. {{spoiler|One Defective Turret in the final test chamber of this test course has evidently been reconfigured by someone as, instead of serving as a typical testing obstacle, before dying, it reveals that it [[Media:Turret turret_protect_humans01.wav|"needs to protect the humans"]].}}
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===Frankenturret===
=== Frankenturret ===
[[File:Portal2_MonsterTurret_b.png|right|100px|The Frankenturret]]
[[File:Portal2 MonsterTurret b.png|left|115px|The Frankenturret]]
{{spoiler text|'''Frankenturrets''' are bizarre Sentry Turret-[[Weighted Storage Cube]] hybrids created by Wheatley in order to complete test chambers when he had no test subjects. They are first introduced in Chapter 8: The Itch.}}
{{main|Frankenturret}}
'''Frankenturrets''' are bizarre Sentry Turret-[[Weighted Storage Cube]] hybrids in the single-player campaign of ''Portal 2''. {{spoiler|Created by [[Wheatley]] in order to complete test chambers when he had no available test subjects, they are first introduced in Chapter 8, ''The Itch''.}}


{{spoiler text|Frankenturrets do not speak, and instead emit incomprehensible chirping sounds. They act as the Chapter's replacement for Storage Cubes, their only difference being that Frankenturrets will hop around aimlessly while not placed on a button. When picked up by Chell, they retract their legs inside their cubes. If they fall over on their sides or upside down, they will wave their legs trying to get up.}}
Frankenturrets do not speak, and instead emit incomprehensible chirping sounds. They generally serve as {{spoiler|Wheatley's}} replacement for Storage Cubes {{spoiler|once [[Chell]] is available as his test subject}}. They are harmless, their the only difference from normal cubes being that Frankenturrets will hop around aimlessly when not placed on a [[Heavy Duty Super-Colliding Super Button|button]]. When picked up by Chell, they retract their legs inside the cube. If they fall over on their sides or upside down, they will wave their legs, trying to get up.
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{{spoiler text|
=== Prima Donna Turret ===
===Prima Donna Turret===
[[File:Portal2 Turret Wife.png|right|100px|{{spoiler|The Turret Wife}}]]
[[File:Portal2 Turret Wife.png|right|100px|The Sentry Turret]]
 
The '''Prima Donna Turret''' (literally ''First Woman'' in Italian, is the title given to the Lead Singer, the Diva, in an opera) is a bigger, wider turret that is featured at the end of [[Portal 2]] in the turret choir{{spoiler text|, after [[GLaDOS]] lets [[Chell]] to the surface}}.
The '''Prima Donna Turret''' (meaning ''First Woman'' in Italian, a title given to the lead singer, the diva, in an opera), referred by the game files as the '''Turret Wife''', and also known as the '''Opera Turret''' in the [[Portal: The Uncooperative Cake Acquistion Game|Portal board game]], is a bigger and wider Turret, {{spoiler|featured At the end of ''Portal 2''<nowiki>'</nowiki>s single-player campaign during the [[Turret Opera]], after [[GLaDOS]] finally allows [[Chell]] her freedom to leave the Enrichment Center. As its name implies, the Prima Donna Turret provides the lead vocals for the Turret Opera.}}


Apart from the ending, a Prima Donna Turret can also be found in Chapter 3, Test Chamber 11. There is a Prima Donna turret in the elevator at the end prior to the player entering the room. It can also be found below a Ratman den in Chapter 3, Test Chamber 16, where it is observing a turret quartet.}}
{{spoiler|Apart from the ending, a Prima Donna Turret can also be found in the chapter ''The Return'', at the end of Test Chamber 11, briefly seen taking a lift upwards just as [[Chell]] enters the [[Chamberlock]]. It can also be found below the [[Doug Rattmann|Rattmann]]'s den in the same chapter during Test Chamber 16, where it is observing or lecturing a turret quartet.}}
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===Animal King Turret===
*In chapter 6 (''The Fall''), broken Prima Donna Turrets can be found destroyed and burning on large piles along normal Sentry Turrets.
[[File:Portal2_AnimalKing.png|right|100px|The Animal King Turret]]
The '''Animal King''' is a unique turret that is only referred to in an [[Aperture Science]] slideshow entired "Animal King Takeover" in Chapter 1: The Courtesy Call. The Turret is considerably larger than its Sentry Turret brethren, and appears to operate in exactly the same way. It can be distinguished from ordinary turrets by its immense size, crown and leopard skin-detailed chassis. In the context of the slideshow, the Animal King Turret is used as an example of an entity or organisation capable of taking control of Earth which "[[Media:Announcer prehub46.wav|...refuses to, or is incapable of listening to reason]]".


{{spoiler text|The Animal Turret appears only once at the end of the game, when Chell is travelling to the surface after defeating Wheatley.}}
=== Animal King Turret ===
[[File:Animal king.jpg|left|100px|The Animal King Turret]]
{{main|Animal King Turret}}
The '''Animal King Turret''' is a unique type of turret in the single-player campaign of ''Portal 2'' that is only used in an Aperture Science slideshow to represent an "Animal King Takeover" in the chapter, ''The Courtesy Call''. The Turret is colossal in comparison to its Sentry Turret brethren, and appears to operate the "arms" on its side in exactly the same way.
 
It can be distinguished from ordinary Turrets by its immense size, crown and leopard skin-detailed chassis. In the context of the slideshow, the Animal King Turret is used as an example of an entity or a form of organism capable of taking control of Earth which "[[Media:Announcer prehub46.wav|...refuses to, or is incapable of listening to reason]]".
 
The Animal King Turret appears only once in the entire game, {{spoiler|during the single-player ending sequence when [[Chell]] is being brought up to the surface by GLaDOS after defeating Wheatley. It appears to be producing the lower bass tones of the [[Turret Opera]].}}


=== Hover Turret ===
=== Hover Turret ===
[[File:Portal 2 Hover Turret.png|right|100px|The Hover Turret in-game]]
[[File:Portal 2 Hover Turret.png|right|100px|The Hover Turret in-game]]
The '''Hover Turret''' is an unused Turret found within the game files of ''[[Portal 2]]''. It emits a laser, similar to the other types of Turrets, that is coloured light-blue and able to burn the player similar to the burn of the [[Thermal Discouragement Beam]], however unlike the Thermal Discouragement Beam it's laser does not provide a barrier for the player's movement, nor does it interact with game mechanics. The Hover Turret can be spawned within ''Portal 2'' via the cheat command <code>ent_create npc_hover_turret</code>.
{{main|Hover Turret}}
The '''Hover Turret''' is an unused Turret found within the game files of ''Portal 2''. It uses the model of the [[Curiosity Core]]. It emits a laser, similar to the other types of Turrets, that is coloured light-blue, similarly to the Rocket Turret's targeting laser, and is able to burn the player similar to the burn of the [[Thermal Discouragement Beam]]. However, unlike the Thermal Discouragement Beam, its laser does not provide a barrier for the player's movement, nor does it interact with game mechanics. The Hover Turret can be spawned within ''Portal 2'' via the cheat command <code>ent_create npc_hover_turret</code>, although it lacks a model by default, resulting in it appearing as a bright blue ERROR.
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==Appearances==
== Appearances ==
 
=== ''Portal'' ===
=== Portal ===
{{See also|Portal}}
{{See also|Portal}}
Turrets are introduced to the player in Test Chamber 14. Following this, they continue to appear throughout the remaining levels.  
Turrets are introduced as testing hazards to [[Chell]] during the entirety of [[Portal Test Chamber 16|Test Chamber 16]]. Following this, they continue to appear throughout the remaining test chambers and, eventually, during Chell's escape.  


=== Portal: Still Alive ===
=== ''Portal: Still Alive'' ===
{{See also|Portal: Still Alive}}
{{See also|Portal: Still Alive}}


=== Portal 2 ===
=== ''Portal 2'' ===
{{See also|Portal 2}}
{{See also|Portal 2}}
Turrets return in the sequel as both an enemy to Chell and the [[Co-op]] robots, and appear fairly early in the game. Distinct versions of the turret are introduced, including the Defective Turret and Animal King Turret.
Turrets reprise their role as testing hazards to [[Chell]] and to [[Atlas]] and [[P-body]] for the game's [[co-op]] campaign, and they appear fairly early in the game. Distinct versions of the Turrets are introduced, including the Defective Turrets and Animal King Turret.


==Gallery==
== Gallery ==
{{Gallery
{{Gallery
|lines=3
|lines = 3
|height=200
|height = 200
|width=200
|width = 200
|title=Turrets
|title = Turrets
|File:Portal Turret.png|alt1=Turrets|Turret from ''Portal''
|File:Portal Turret.png|alt1=Turrets|Sentry Turret as it appears in ''[[Portal]]''.
|File:Portal2 Turret Standard.png|alt2=Turret from ''Portal 2''|Turret from ''Portal 2''
|File:Portal2 Turret Standard.png|alt2=Turret from ''Portal 2''|Sentry Turret as it appears in ''[[Portal 2]]''.
|File:Portal2 Turret Defective.png|alt3=Defective Turret from ''Portal 2''|Defective Turret from ''Portal 2''
|File:Portal2 Turret Defective.png|alt3=Defective Turret from ''Portal 2''|Defective Turret from ''Portal 2''.
|File:Portal2 Turret Wife.png|alt4=Prima Donna Turret from ''Portal 2''|Prima Donna Turret from ''Portal 2''
|File:Portal2 Turret Wife.png|alt4=Prima Donna Turret from ''Portal 2''|Prima Donna Turret from ''Portal 2''.
|File:Portal Rocket Turret.png|alt5=Rocket Turret from ''Portal''|Rocket Turret from ''Portal''
|File:Portal Rocket Turret.png|alt5=Rocket Turret from ''Portal''|Rocket Turret from ''Portal''.
|File:Portal2 MonsterTurret a.png|alt6={{Spoiler|Frankenturret from ''Portal 2''}}|{{Spoiler|Frankenturret from ''Portal 2''}}|spoiler6=yes
|File:Portal2 MonsterTurret a.png|alt6={{Spoiler|Frankenturret from ''Portal 2''}}|{{Spoiler|The Frankenturret from ''Portal 2''.}}|spoiler6=yes
|File:Portal2 MonsterTurret b.png|alt7={{Spoiler|Frankenturret with outer cover}}|{{Spoiler|Frankenturret with outer cover}}|spoiler7=yes
|File:Portal2 MonsterTurret b.png|alt7={{Spoiler|Frankenturret with outer cover}}|{{Spoiler|Ditto, with outer cover.}}|spoiler7=yes
|File:Portal2 AnimalKing.png|alt8=The Animal King Turret from ''Portal 2''|The Animal King Turret from ''Portal 2''
|File:P2 AnimalKing Slideshow.png|alt8=Animal King Takeover slide from ''Portal 2''|"Animal King Takeover" slideshow with the Animal King Turret used as an example in ''Portal 2''.
|File:P2 AnimalKing Slideshow.png|alt9=Animal King Takeover slide from ''Portal 2''|Animal King Takeover slide from ''Portal 2''
|File:Animal king.jpg|Very high-resolution portion of the Animal King Takeover slide
|File:Turret_from_Personality_Test.jpg|alt10=Turret image from the official Aperture Science Collaborative Disposition Test.|Turret image from the [http://www.thinkwithportals.com/coop_survey.php official Aperture Science Collaborative Disposition Test].
|File:Turret_from_Personality_Test.jpg|Turret image from the [http://www.thinkwithportals.com/coop_survey.php Aperture Science Collaborative Disposition Test].
|File:Turret Valentine 01.png|alt11=Turret Valentine from Valve's official Portal 2 blog.|Turret Valentine from [http://tinyurl.com/3pt4d34 Valve's official Portal 2 blog].
|File:Turret Valentine 01.png|Turret Valentine from [http://www.thinkwithportals.com/vday.php Valve's official Portal 2 blog].
|File:Turret Valentine 02.png|alt12=Turret Valentine from Valve's official Portal 2 blog.|Turret Valentine from [http://tinyurl.com/3pt4d34 Valve's official Portal 2 blog].
|File:Turret Valentine 02.png|Turret Valentine from [http://www.thinkwithportals.com/vday.php Valve's official Portal 2 blog].
|File:Turret Icon.jpg|alt13=Turret icon from the official Steam Portal 2 group.|Turret icon from the [http://steamcommunity.com/games/portal2/Avatar/List official Steam Portal 2 group].
|File:Turret Icon.jpg|Turret avatar from the [http://steamcommunity.com/games/portal2/Avatar/List ''Portal 2'' Steam group].
|File:2011-08-05_00002.jpg|alt1=A screenshot of an unidentified turret variety|A screenshot of an unidentified turret variety.
|File:2011-08-05_00002.jpg|Another type of Defective Turret in ''Portal 2''.
|File:Three Turret Moon Shirt.png|alt1=The Three Turret Moon shirt.|The Three Turret Moon shirt.
|File:CaraMia Beta.jpg|Developer Screenshot of the movie sequence
|File:Turret Schematic Shirt.png|alt1=Turret schematic from a shirt.|Turret schematic from a shirt.
|File:Three Turret Moon T-Shirt.png|The Three Turret Moon shirt.
|File:Turret Schematic T-Shirt.png|Turret schematic shirt.
|File:Randolph_Thumbnail.jpg|[[Randolph the Red-Nosed Turret|Randolph, the Red-Nosed Turret]].
}}
}}


==Videos==
== Videos ==
{{see also|Videos}}
{{see also|Videos}}
{{Video gallery
{{Video gallery
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|video3=zsxAlL9WAbk
|video3=zsxAlL9WAbk
|video4=UYFcIN3LXM0
|video4=UYFcIN3LXM0
|video5=GGPIQ72-2Vg
}}
}}
The Turrets and Animal King Turret as they appear in [[Chamberlock#Videos|Chamberlock informational videos]].
The Turrets and Animal King Turret as they appear in [[Chamberlock#Videos|Chamberlock informational videos]].


==Trivia==
== Trivia ==
*{{spoiler text|When GLaDOS attempts to kill Wheatley with a paradox in the beginning of Chapter 8: The Itch, every Frankenturret is fried, humorously implying that they are smarter than Wheatley.}}
* {{spoiler|When GLaDOS attempts to kill Wheatley with a paradox in the beginning of Chapter 8: The Itch, every Frankenturret is fried, humorously implying that they are smarter than Wheatley.}}
*The turret box states that one of the blue turrets was bought on January 25, 2010 by a person with an unreadable name. The reference to Michael Jackson can be seen on the posters.{{Citation needed}}
* The shipping box for the Turrets states that one of the blue-painted Turrets was bought on January 25, 2010 by a person with an unreadable name. The reference to Michael Jackson can be seen on the box.{{cite}}
* According to Bill van Buren, the Rocket Turret from ''Portal'' was originally intended to fire lasers instead of rockets, but playtesters thought that a rocket would be more dramatic than a laser slowly melting the glass.
* In the [[Turrets (video)|official Turrets trailer]], [[Cave Johnson]] states that turrets "fire" the whole bullet, which "is 65% more bullet per bullet".


== Related Achievements ==
== Related achievements ==
=== Portal ===
=== ''Portal'' ===
{{Achievement table
{{Achievement table
| 1 = {{Show achievement|Portal|Friendly Fire}}
| 1 = {{Show achievement|Portal|Friendly Fire}}
}}
}}


=== Portal: Still Alive ===
=== ''Portal: Still Alive'' ===
{{Achievement table
{{Achievement table
| 1 = {{Show achievement|Portal: Still Alive|A Feeling Like Floating}}
| 1 = {{Show achievement|Portal: Still Alive|A Feeling Like Floating}}
Line 120: Line 144:
}}
}}


=== Portal 2 ===
=== ''Portal 2'' ===
{{Achievement table
{{Achievement table
| 1 = {{Show achievement|Portal 2|No Hard Feelings}}
| 1 = {{Show achievement|Portal 2|No Hard Feelings}}
Line 128: Line 152:
}}
}}


==See also==
== See also ==
*[[Oracle Turret]]
*[[Oracle Turret]]
*[[Defective Turret]]
*[[Turret voice lines]]
*[[Turret voice lines]]
*[[Defective Turret voice lines]]
*[[Defective Turret voice lines]]
*[[Turret Opera]]
*[[Turret Opera]]
*[[Collaborative Disposition Test#The Aperture Science Sentry Turret|Collaborative Disposition Test]]
*[[Collaborative Disposition Test#The Aperture Science Sentry Turret|Collaborative Disposition Test]]
*[[Turret Lullaby]]
*[[Randolph the Red-Nosed Turret]]
==References==
<references/>




{{CharactersNav}}
{{CharactersNav}}

Latest revision as of 21:54, 25 September 2024

Sentry Turret packaging
“
Hello friend.
Click to listen
— Sentry Turret
 ”

Turrets serve as one of the main testing obstacles in the Portal series. Armed with almost unlimited ammunition and deadly accuracy, they will attempt to kill test subjects on sight.

Standard Sentry Turrets are voiced by Ellen McLain, while Defective Turrets are voiced by Nolan North.

General

Sentry Turret

Main article: Sentry Turret
The Sentry Turret

Sentry Turrets are tripod robots that appear in every game in the Portal series. They are seen as incapable of independent movement, but can open each side of their chassis (their "arms") horizontally in order to reveal twin double-barreled machine guns. The central part of the chassis holds their red eye, which emits a targeting laser. Almost all of the space within the Turret is devoted to storing the ridiculously stacked ammo, explaining the nearly infinite supply of ammo when firing. According to the Portal 2 Turrets trailer, the turrets use spring mechanisms to accelerate the entire cartridge, including the casing, without igniting the propellant, which may explain how the player can survive getting shot by the Turret so many times. To quote Cave Johnson, "that's 65% more bullet per bullet."

When test subjects are out of sight from the Turret's presence, they will maintain a standby state and will remain motionless with their guns retracted. Moving into their angle of sight however, will cause Turrets to deploy their guns shortly after greeting the unlucky individual before opening fire. They will continue to fire until the target is dead or moves out of sight. If the latter occurs, Turrets will briefly search for the test subject (as indicated by the movement of the targeting laser), after which they will revert to a standby state.

Turrets can be avoided, disabled or destroyed in a number of ways. The most common method is knocking them over, causing them to flail and fire wildly before deactivating. This can be done by picking them up and dropping them, or using any object to tip them over. Additionally, the Discouragement Beams or Emancipation Grills can be used to completely destroy them. When thrown into an Emancipation Grill they will say "ow" repeatedly.

In Portal, Turrets will shoot at bulletproof glass and through portals when the player is on the other side. In Portal 2, however, Turrets will only follow the player behind glass with their beam and will not shoot through portals, opening fire almost immediately when the player moves out of the glass or through the portal. In addition, Turrets appear to be unable to see through Hard Light Bridges or Excursion Funnels.

Rocket Turret

The Rocket Turret

The Rocket Turret, also called a Rocket Sentry, is a unique enemy seen at the end of Portal. It appears as a raw personality core outfitted with a rocket launcher. Upon activation, it will slowly lock onto the player and emit a sound before firing a rocket. Unlike Sentry turrets, it cannot be disabled or destroyed by the player; Attempting to redirect a rocket back at the turret with the use of portals will cause the projectile to fizzle upon impact. It plays a vital role in the battle with GLaDOS, as rockets need to be sent through portals in order to hit her, causing personality cores to detach from her.

Rockets can also be redirected to shatter the observation windows and other glass-made objects including a Pneumatic Diversity Vent throughout the offices and maintenance areas of the Enrichment Center.

Defective Turret

Main article: Defective Turret
The Defective Turret

Defective Turrets, referred to as "Crap Turrets" by Wheatley, are incomplete, wrongly assembled and ammo-less versions of the Sentry Turrets introduced in Portal 2. Unlike normal Sentry Turrets, Defective Turrets have a more humorous and sarcastic dialogue, and speak in a masculine, less robotic voice with a southern accent.

They are harmless to Chell, many times making comments such as "If anyone asks, I killed you". Their voice lines seem to imply they are blind, but they are still aware of Chell's presence. They are first encountered in Chapter 5, The Escape.

In the game's co-op campaign, the Defective Turrets appear as obstacles for Atlas and P-body throughout the Mobility Gels testing course. These Turrets appear to be as fully functional as regular Sentry Turrets and possess the innocent and feminine voice tones as they should. The only difference from regular Turrets is that they have been defaced. This is most likely because Aperture Science had not yet developed the modern casing. One Defective Turret in the final test chamber of this test course has evidently been reconfigured by someone as, instead of serving as a typical testing obstacle, before dying, it reveals that it "needs to protect the humans".

Frankenturret

The Frankenturret
Main article: Frankenturret

Frankenturrets are bizarre Sentry Turret-Weighted Storage Cube hybrids in the single-player campaign of Portal 2. Created by Wheatley in order to complete test chambers when he had no available test subjects, they are first introduced in Chapter 8, The Itch.

Frankenturrets do not speak, and instead emit incomprehensible chirping sounds. They generally serve as Wheatley's replacement for Storage Cubes once Chell is available as his test subject. They are harmless, their the only difference from normal cubes being that Frankenturrets will hop around aimlessly when not placed on a button. When picked up by Chell, they retract their legs inside the cube. If they fall over on their sides or upside down, they will wave their legs, trying to get up.

Prima Donna Turret

The Turret Wife

The Prima Donna Turret (meaning First Woman in Italian, a title given to the lead singer, the diva, in an opera), referred by the game files as the Turret Wife, and also known as the Opera Turret in the Portal board game, is a bigger and wider Turret, featured At the end of Portal 2's single-player campaign during the Turret Opera, after GLaDOS finally allows Chell her freedom to leave the Enrichment Center. As its name implies, the Prima Donna Turret provides the lead vocals for the Turret Opera.

Apart from the ending, a Prima Donna Turret can also be found in the chapter The Return, at the end of Test Chamber 11, briefly seen taking a lift upwards just as Chell enters the Chamberlock. It can also be found below the Rattmann's den in the same chapter during Test Chamber 16, where it is observing or lecturing a turret quartet.

  • In chapter 6 (The Fall), broken Prima Donna Turrets can be found destroyed and burning on large piles along normal Sentry Turrets.

Animal King Turret

The Animal King Turret
Main article: Animal King Turret

The Animal King Turret is a unique type of turret in the single-player campaign of Portal 2 that is only used in an Aperture Science slideshow to represent an "Animal King Takeover" in the chapter, The Courtesy Call. The Turret is colossal in comparison to its Sentry Turret brethren, and appears to operate the "arms" on its side in exactly the same way.

It can be distinguished from ordinary Turrets by its immense size, crown and leopard skin-detailed chassis. In the context of the slideshow, the Animal King Turret is used as an example of an entity or a form of organism capable of taking control of Earth which "...refuses to, or is incapable of listening to reason".

The Animal King Turret appears only once in the entire game, during the single-player ending sequence when Chell is being brought up to the surface by GLaDOS after defeating Wheatley. It appears to be producing the lower bass tones of the Turret Opera.

Hover Turret

The Hover Turret in-game
Main article: Hover Turret

The Hover Turret is an unused Turret found within the game files of Portal 2. It uses the model of the Curiosity Core. It emits a laser, similar to the other types of Turrets, that is coloured light-blue, similarly to the Rocket Turret's targeting laser, and is able to burn the player similar to the burn of the Thermal Discouragement Beam. However, unlike the Thermal Discouragement Beam, its laser does not provide a barrier for the player's movement, nor does it interact with game mechanics. The Hover Turret can be spawned within Portal 2 via the cheat command ent_create npc_hover_turret, although it lacks a model by default, resulting in it appearing as a bright blue ERROR.

Appearances

Portal

See also: Portal

Turrets are introduced as testing hazards to Chell during the entirety of Test Chamber 16. Following this, they continue to appear throughout the remaining test chambers and, eventually, during Chell's escape.

Portal: Still Alive

See also: Portal: Still Alive

Portal 2

See also: Portal 2

Turrets reprise their role as testing hazards to Chell and to Atlas and P-body for the game's co-op campaign, and they appear fairly early in the game. Distinct versions of the Turrets are introduced, including the Defective Turrets and Animal King Turret.

Gallery

Turrets
Turrets
Sentry Turret as it appears in Portal.  
Turret from Portal 2
Sentry Turret as it appears in Portal 2.  
Defective Turret from Portal 2
Defective Turret from Portal 2.  
Prima Donna Turret from Portal 2
Prima Donna Turret from Portal 2.  
Rocket Turret from Portal
Rocket Turret from Portal.  
Frankenturret from Portal 2
The Frankenturret from Portal 2. 
Frankenturret with outer cover
Ditto, with outer cover. 
Animal King Takeover slide from Portal 2
"Animal King Takeover" slideshow with the Animal King Turret used as an example in Portal 2.  
Very high-resolution portion of the Animal King Takeover slide  
Turret image from the Aperture Science Collaborative Disposition Test.  
Turret Valentine from Valve's official Portal 2 blog.  
Turret Valentine from Valve's official Portal 2 blog.  
Turret avatar from the Portal 2 Steam group.  
Another type of Defective Turret in Portal 2.  
Developer Screenshot of the movie sequence  
The Three Turret Moon shirt.  
Turret schematic shirt.  
Randolph, the Red-Nosed Turret.  

Videos

See also: Videos
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The Turrets and Animal King Turret as they appear in Chamberlock informational videos.

Trivia

  • When GLaDOS attempts to kill Wheatley with a paradox in the beginning of Chapter 8: The Itch, every Frankenturret is fried, humorously implying that they are smarter than Wheatley.
  • The shipping box for the Turrets states that one of the blue-painted Turrets was bought on January 25, 2010 by a person with an unreadable name. The reference to Michael Jackson can be seen on the box.[citation needed]
  • According to Bill van Buren, the Rocket Turret from Portal was originally intended to fire lasers instead of rockets, but playtesters thought that a rocket would be more dramatic than a laser slowly melting the glass.
  • In the official Turrets trailer, Cave Johnson states that turrets "fire" the whole bullet, which "is 65% more bullet per bullet".

Related achievements

Portal

Friendly Fire
 Friendly Fire
Knock down a turret with another turret.

Portal: Still Alive

A Feeling Like Floating
 A Feeling Like Floating
Dissolve a turret.
Is Anyone There?
 Is Anyone There?
Complete the game without ever taking a bullet.
Saw That One Coming
 Saw That One Coming
Cause a rocket sentry to destroy its own rocket when the rocket has been redirected back towards it.
The Camera Adds 10 Pounds
 The Camera Adds 10 Pounds
Knock a turret over with a security camera.

Portal 2

No Hard Feelings
 No Hard Feelings
Save a turret from redemption
Pturretdactyl
 Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Scanned Alone
 Scanned Alone
Stand in a defective turret detector
Can't Touch This
 Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op

See also

References


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