Tark: Restoring page to its 2022 version

2025-07-01T19:57:27Z

Restoring page to its 2022 version

← Older revision		Revision as of 19:57, 1 July 2025
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	The '''Cooperative Testing Initiative''', or simply '''co-op''', is a multi-player gamemode and campaign in ''[[Portal 2]]'' whereby two players can join up and take part in test courses built specifically for cooperative testing.		The '''Cooperative Testing Initiative''', or simply '''co-op''', is a multi-player gamemode and campaign in ''[[Portal 2]]'' whereby two players can join up and take part in test courses built specifically for cooperative testing.

	Most beginners (or players who made a [[Cooperative_Testing_Initiative#Reset_progress\|reset]] recently) start from ''[[Portal 2 Co-op Calibration Course\|Calibration Course]]'' - the first [[Test Chamber]] during [[Portal 2]]'s [[Cooperative Testing Initiative]].
	__NOTOC__		__NOTOC__
			{{Clr}}
	== Overview ==		== Overview ==
	Players take the form of two robot test subjects built by [[GLaDOS]], [[Atlas]]; the short and round blue bot, [[P-body]]; the tall and pea-shaped orange bot that looks like a turret with arms and legs. Each bot comes equipped with their own [[Handheld Portal Device]] with separate [[Portals\|portal]] colors. The portals are capable of maintaining the flow of things, even if it enters a partner's portal, which is essential during some test chambers.		Players take the form of two robot test subjects built by [[GLaDOS]], [[Atlas]]; the short and round blue bot, [[P-body]]; the tall and pea-shaped orange bot that looks like a turret with arms and legs. Each bot comes equipped with their own [[Handheld Portal Device]] with separate [[Portals\|portal]] colors. The portals are capable of maintaining the flow of things, even if it enters a partner's portal, which is essential during some test chambers.
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	== Courses ==		== Courses ==
	{{~~main~~\|~~Portal 2~~ courses ~~during Cooperative Testing Initiative}}~~		==== Course One: Team Building ====
	~~{{:Portal 2~~ courses ~~during Cooperative Testing Initiative~~}}		{{spoiler\|This is one of the first courses available to the player upon entering the Hub, the others remaining locked until the other courses are completed. In this course, the players are given basic tests that emphasize the use of teamwork through portals and ''pinging'', which is a function that allows players to communicate even without text or even through voice. Pings come in a variety of forms, from a simple "Look" ping, to a "Timer" ping that can be used to coordinate timed events effectively.}}

	== ~~Credits~~ ==		==== Course Two: Mass and Velocity ====
	{{~~main~~\|~~Cooperative Testing Initiative/Credits~~}}		{{spoiler\|After completing Course One, this course will unlock for players to continue testing. This chamber utilizes the effects portals have when an object has both mass and velocity as it enters the portal, meaning the players must utilize both in order to pass this course.}}

	== ~~Features~~ ==		==== Course Three: Hard-Light Surfaces ====
	=~~== Split screen~~ ===		{{spoiler\|This course opens up upon completion of Course Two. In this course, the players must make use of the Light Bridges to both navigate chambers and act as a wall for other chambers as a defense mechanism or a creative way of stopping something from hurtling into acid.}}
	~~Read [https://developer.valvesoftware~~.~~com/wiki/Testing_Portal_2_Co-Op_Maps_Alone ''Testing Portal 2 Co-Op Maps Alone'']~~.

	=== ~~Split screen alone~~ ===		==== Course Four: Excursion Funnels ====
			{{spoiler\|This course unlocks upon completion of Course Three. During this course, the player will have to make use of both Light Bridges and Excursion Funnels in order to complete these chambers. It will employ elements from the previous courses as well, making it much more difficult as the players progress.}}

	=== ~~Reset progress~~ ===		==== Course Five: Mobility Gels ====
	~~Note~~ that ~~these commands affect both~~ players and ~~cannot be undone (except~~ with ~~{{code\|mp_mark_all_maps_complete~~}}):		{{spoiler\|This is the final course that unlocks after the completion of Course Four. Upon entering, GLaDOS will chime in and explain the significance of Atlas and P-Body's testing and what their true purpose is. The players are then dropped into the defunct Aperture testing spheres encountered during single player, and must make use of all elements from the previous chambers along with the Gels that are found in the course. The last chamber is halted by a large vault door, which holds the frozen humans inside.}}
	~~# {{code\|mp_mark_all_maps_incomplete}}~~
	~~# {{code\|changelevel}} [[Hub\|mp_coop_lobby_2]]~~

	== ~~Notes~~==		== Additional Courses ==
	* The [https://steamcommunity.~~com/my/friends/blocked Steam blacklist] doesn't work and~~ players will be ~~matched with blacklisted users~~.		==== Art Therapy ====
			Set after the conclusion of the Mobility Gels course, GLaDOS has reassembled the bots for testing again and claims that it has been 100,000 years since they were last reassembled. {{spoiler\|As the testing progresses, the bots are able to observe the defunct surroundings of the Enrichment Center, which GLaDOS assures them as part of an "art exhibit". Further on in the course, players will be sent to a Robot Assembly Annex station to repair their own reassembly machines as GLaDOS finally makes it clear that it has only been a week since the Mobility Gels course and that she needs their help in restoring her control over the facility as something is overriding her controls. At the end of the course, both players are sent out of the testing area to resolve the problem in a control room housing a prototype chassis of the [[Cores#Central Core\|central core]].}}

	== ~~Gallery~~ ==		Interestingly, the sixth course was initially going to consist of advanced test chambers during ''Portal 2''<nowiki>'</nowiki>s development, months before the game was released. However, this was scrapped and was removed from the final game. The [[Peer Review]] DLC to ''Portal 2'' instead adds only challenge modes to single-player and co-op, with no sign of advanced test chambers. The Art Therapy course is referred to as an additional course instead of the "sixth course".
	~~{{Gallery~~
	~~\|lines~~=4		====Non-Emotional Manipulation====
	~~\|height~~=~~150~~		All owners of the Sixense MotionPack DLC receive this course for free. It makes use of the new Portal Surfing and One-to-One mechanics.
	~~\|width~~=~~150~~
	~~\|File:Bots_Screenshot~~.~~png\|alt7=Atlas in Roll Cage\|Atlas in~~ the ~~[[Roll Cage]]. P~~-~~body is located behind Atlas's frying pan, also in a roll cage~~
	~~\|File:Atlas and p~~-~~body~~.~~png\|The bots in a Aperture Science blueprint format~~
	}}

	== Related Achievements ==		== Related Achievements ==
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	{{Show achievement\|Portal 2\|Air Show}}		{{Show achievement\|Portal 2\|Air Show}}
	{{Show achievement\|Portal 2\|Talent Show}}		{{Show achievement\|Portal 2\|Talent Show}}
			}}

			== Gallery ==
			{{Gallery
			\|lines=4
			\|height=150
			\|width=150
			\|File:Atlas.png\|alt1=Atlas\|[[Atlas]]
			\|File:P-body.png\|alt2=P-body\|[[P-body]]
			\|File:Atlas first person.png\|alt3=Atlas first-person view.\|Atlas first-person view.
			\|File:Atlas_both_portal.png\|alt4=Both of Atlas' portals.\|Both of Atlas' portals.
			\|File:P-body first person.png\|alt5=P-body first-person view.\|P-body first-person view.
			\|File:P-body_both_portal.png\|alt6=Both of P-body's portals\|Both of P-body's portals.
			\|File:Bots_Screenshot.png\|alt7=Atlas in Roll Cage\|Atlas in the [[Roll Cage]]. P-body is located behind Atlas's frying pan, also in a roll cage.
			\|File:Early models with red eyes.jpg\|alt8=Early models with red eyes.\|Early models with red eyes.
			\|File:Portal 2 PC Gamer 01.png\|alt9=Pre-release screenshot of Atlas and P-Body.\|Pre-release screenshot of Atlas and P-Body.
			\|File:Atlas and p-body.png\|The bots in a Aperture Science blueprint format
	}}		}}

	== See also ==		== See also ==
			* [[Hub]]
			* [[GLaDOS]]
	* [[Chell]]		* [[Chell]]
	* [[Perpetual Testing Initiative]]		* [[Perpetual Testing Initiative]]
	{{~~Portal2Co-opTestChambersNav~~}}
			{{TestChambersNav}}

Dogman15: /* Reset progress */

2024-01-03T05:28:30Z

Reset progress

← Older revision		Revision as of 05:28, 3 January 2024
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	Note that these commands affect both players and cannot be undone (except with {{code\|mp_mark_all_maps_complete}}):		Note that these commands affect both players and cannot be undone (except with {{code\|mp_mark_all_maps_complete}}):
	# {{code\|mp_mark_all_maps_incomplete}}		# {{code\|mp_mark_all_maps_incomplete}}
	# {{changelevel}} [[Hub\|mp_coop_lobby_2]]		# {{code\|changelevel}} [[Hub\|mp_coop_lobby_2]]

	== Notes==		== Notes==

Dogman15: /* Reset progress */ You can't mark individual puzzles as complete or incomplete, but you can do so to sections as a group with mp_mark_course_complete [number].

2024-01-03T05:28:08Z

Reset progress: You can't mark individual puzzles as complete or incomplete, but you can do so to sections as a group with mp_mark_course_complete [number].

← Older revision		Revision as of 05:28, 3 January 2024
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	=== Reset progress ===		=== Reset progress ===
	Note that these commands affect both players and cannot be undone:		Note that these commands affect both players and cannot be undone (except with {{code\|mp_mark_all_maps_complete}}):
	# [[mp_mark_all_maps_incomplete]]		# {{code\|mp_mark_all_maps_incomplete}}
	# [[changelevel]] [[Hub\|mp_coop_lobby_2]]		# {{changelevel}} [[Hub\|mp_coop_lobby_2]]

	== Notes==		== Notes==

Matthew250: Undo revision 183897 by KEMONO PANTSU (talk)

2023-06-13T04:46:32Z

Undo revision 183897 by KEMONO PANTSU (talk)

Show changes

KEMONO PANTSU at 19:54, 12 June 2023

2023-06-12T19:54:46Z

Show changes

Cqf: Undo revision 183739 by KEMONO PANTSU (talk)

2023-06-12T19:45:29Z

Undo revision 183739 by KEMONO PANTSU (talk)

Show changes

KEMONO PANTSU at 19:40, 12 June 2023

2023-06-12T19:40:23Z

Show changes

Cqf: /* Credits */

2023-05-11T01:47:30Z

Credits

← Older revision		Revision as of 01:47, 11 May 2023
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	== Credits ==		== Credits ==
	{{main\|}}		{{main\|Cooperative Testing Initiative/Credits}}

	== Features ==		== Features ==

Cqf: mp_coop_credits

2023-05-11T01:31:21Z

mp_coop_credits

← Older revision		Revision as of 01:31, 11 May 2023
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	{{main\|Portal 2 courses during Cooperative Testing Initiative}}		{{main\|Portal 2 courses during Cooperative Testing Initiative}}
	{{:Portal 2 courses during Cooperative Testing Initiative}}		{{:Portal 2 courses during Cooperative Testing Initiative}}

			== Credits ==
			{{main\|}}

	== Features ==		== Features ==

Cqf at 07:15, 10 May 2023

2023-05-10T07:15:15Z

← Older revision		Revision as of 07:15, 10 May 2023
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	=== Split screen alone ===		=== Split screen alone ===

	==- Reset progress ===		=== Reset progress ===
	Note that these commands affect both players and cannot be undone:		Note that these commands affect both players and cannot be undone:
	# [[mp_mark_all_maps_incomplete]]		# [[mp_mark_all_maps_incomplete]]

Cooperative Testing Initiative - Revision history

Tark: Restoring page to its 2022 version

Dogman15: /* Reset progress */

Dogman15: /* Reset progress */ You can't mark individual puzzles as complete or incomplete, but you can do so to sections as a group with mp_mark_course_complete [number].

Matthew250: Undo revision 183897 by KEMONO PANTSU (talk)

KEMONO PANTSU at 19:54, 12 June 2023

Cqf: Undo revision 183739 by KEMONO PANTSU (talk)

KEMONO PANTSU at 19:40, 12 June 2023

Cqf: /* Credits */

Cqf: mp_coop_credits

Cqf at 07:15, 10 May 2023