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Rick, the Adventure Sphere
Do you see that thing that fell out of me? What is that? It's not the surprise... I've never seen it before.

Cores (also referred to as Spheres, Personality Cores/Spheres, or Aperture Science Artificial Personality Constructs) are machines designed to house advanced artificial intelligence, mostly unique for their ability to express emotions. Cores generally come in two varieties: Spherical and Input. Spheres are the standard form, used for android bodies (such as Atlas) and other purposes. Input Cores are eliptical Cores such as are used in Turrets or P-Body.

Each unique core is either integrated into a robotic body or left in standalone sphere form. (these spheres are usually attached to management rails) in the Aperture Science computer-aided Enrichment Center, such as the Turrets, Atlas, and P-body.

The raw spherical appearance of the cores are heavily featured throughout the finale events of both Portal and the single-player campaign in Portal 2.


Developed by Aperture Science technicians, GLaDOS is the earliest known personality core - specifically designed for becoming the Enrichment Center's overseer. The next cores developed were given the purpose of counteracting GLaDOS' psychotic behavior (such as flooding test chambers and other vital parts of the facility with neurotoxin) by integrating with her (sub)concious and altering her personality.

Often present in the form of spherical shapes, these cores are a more simplistic design as their purpose had been more at hand instead. This contrasts with the majority of the designs of Aperture androids in the Enrichment Center that are personality core-based such as Atlas (enclosed core design), P-body (core inputs), and Turrets (also core inputs).

After the events of Portal, it became apparent that some of the unused (deactivated) cores kept in storage have been automatically reactivated by the facility to maintain the Enrichment Center. Under extreme circumstances/time, these cores have been unable to compensate, and have failed to do so. Some cores become corrupted (the cause of this is unknown).

Personality Cores

As the name implies, each core has its own unique personality and behavior, which can be incorporated into the central core when they are physically attached to it. However, most cores were unneeded and deactivated. These were later reactivated after the destruction of GLaDOS in Portal.

During the conflict with GLaDOS in Portal, whenever Chell would drop a personality core into the incinerator, not only did GLaDOS experience pain when they are destroyed, she also began to lose some of her reinforced prominent personality traits. These include as her references to cake, and her moral values, which resulted in a much stronger desire to kill Chell.

Central Core

이 부분의 본문: GLaDOS
GLaDOS, a central core.

The Central Core is the highest rank of all Aperture Science Personality Cores in the Enrichment Center, given to the core hardwired into the enormous robotic body in the Central Control Chamber.

A central core has the power to control and regulate the entire Enrichment Center, including the camera feeds, Testing Chamber Assembly and Storage, and the Turret Production Lines.

During the events of Portal 2, it becomes apparent that any form of personality core would be more than qualified to be hardwired into the mainframe to become a central core. This is a feature preset by Aperture as a means of replacing corrupted central AI; and if the central core happens to disagree with their impeachment, a Stalemate Resolution Associate will have to force the replacement procedure.

GLaDOS, whom was designed with the sole purpose of being the central core herself; does not possess a spherical shape like other personality cores.

윤리 코어

윤리 코어

윤리 코어포털에서 GLaDOS에 장착되었던 중요한 코어의 하나입니다. 보라색의 '눈'과 그 주위에 2개의 반점을 가지고 있습니다.GLaDOS가 강화 센터를신경독으로 채우지 않게 하기 위해서 GLaDOS가 을 일으키기 전이 있을 때 GLaDOS에 장착되었습니다.

일단 소각되었을 때 로켓 터릿을 취소할 수 없다고 GLaDOS가 말했으므로, 이 코어는 GLaDOS가 무기를 조작하는 것을 방지하는 것이기도 한 것 같습니다.

이 코어는 첼에 의해서 최초로 때어져 소각된 코어이며, 그것에 의해 GLaDOS는 도덕적 특성을 잃어버려 다시 신경독으로 방을 채우기 시작합니다. 다른 코어와 달리, 윤리 코어는 말이 없습니다. GLaDOS가 자신의 원래 모습인,캐롤린을 깨달은 후 감정이 부활했기 때문에, 이 코어가 정확히 무슨 특성을 가지고있는지는 모르겠지만, 이 코어가 처분된 것에 의해서 포털의 최후와 포털 2 대부분의 부분에서 GLaDOS의 태도가 냉담하고 생명에 완전히 무감각하게 됩니다.

호기심 코어

호기심 코어
저것 좀 보세요! 아니, 다른 거군요.
— The 호기심 코어

GLaDOS에 장착된 2번째 코어는 호기심 코어입니다. 이 코어는 오렌지색의 '눈' 과 그 주위에 4개의 반점 가진 코어입니다. 에게 잡힌 상황에서 어디에 가려 하는지 미치는 질문을 항상 합니다.

케이크 코어

이 부분의 본문: Intelligence Core
케이크 코어
물고기 모양 유기농 화합물 및 침전된 모양의 침전물.
케이크 코어

케이크 코어라고 하는 이름의 GLaDOS의 3번째 코어는 거대한 동공을 가진 푸른 '눈' 과 그 주위에 6개의 반점을 가지고 있습니다. 산만한 말투와 꽤 독특한 케이크의 레시피를 이야기합니다, 덧붙여서 이 케이크는 포탈 의 엔딩 크레잇의 전에 등장합니다. GLaDOS는 포탈 2 에서 케이크에 대해 언급 했는데, 이것은 포탈 에서 케이크 코어가 파괴되었기 때문에라고 생각합니다.

Anger Core

Anger Core
이 부분의 본문: Anger Core
*Snarl* *Snarl* *Growl*
— The Anger Core

The last core attached to GLaDOS is the Anger Core. It has a red 'eye' with eight dots beneath it. It is also referred to as the Emotion Core. Rather than speak, the Core snarls and growls ferociously at Chell. (These snarls and growls were later used in Valve game 'Left 4 Dead'.) Once Chell puts the Anger Core into the Incinerator, GLaDOS begins to implode. In Portal 2, GLaDOS, due to the loss of this core, sounds very mellow, and barely expresses any emotional indications of hostility.


이 부분의 본문: Wheatley
One minute ago. Less than one minute ago you solved this puzzle. Now you're having problems.

The final antagonist of the single-player campaign in Portal 2, Wheatley, also known as the Intelligence Dampening Sphere, is portrayed as bumbling, chatty, desperate when things did not catch up to his expectations, and often hesitant. He is the first character to have interacted with Chell in the game, and is one of many cores seen awakening at the end of Portal.

It was not long before it was revealed by GLaDOS that Wheatley was originally designed by the Aperture Science technicians with the express purpose of rendering GLaDOS less dangerous during her initial activations, via attaching Wheatley onto her to generate an infinite stream of flawed suggestions to distract her.

It was thought that this would prevent her from killing the scientists when activated and improve the operations of the facility. According to GLaDOS, Wheatley is "the product of the greatest minds of a generation working together with the express purpose of building the dumbest moron who ever lived".

Corrupted Cores

Due to technical difficulties over time, a core may be detected as a Corrupted Core and would be subject to disposal. However, if the corrupted core is the central core, a substitute core must be present in a core receptacle in order to initiate a core transfer. Central Core Corruption will not be detected if another core is not present. This is because other cores would not usually be present, except for core transfer. Once a substitute core is found, both cores must agree or disagree to the core transfer procedure. If one agrees while the other disagrees, the transfer process cannot occur unless a Stalemate Resolution Associate is present in order to press the stalemate resolution button, which will initiate the core transfer process once the Associate has returned to the Central Chamber.

During the fight against Wheatley in Portal 2, GLaDOS/PotatOS summons three corrupted cores to Chell for her to attach to Wheatley in order to make him corrupt enough to initiate another core transfer procedure.

All three Corrupted Cores are voiced by Nolan North.

Space Sphere

이 부분의 본문: Space Sphere
Space Sphere
— The Space Sphere

The Space Sphere is one of three active, corrupted cores. It speaks rapidly, and possesses an unhealthy obsession with space. Its key personality trait is its often-repeated desire to travel to outer space. It finally gets to live its dream of going to space when it is sucked through the portal that connects the remaining blot of Conversion Gel to the surface of the Moon. The Final Hours of Portal 2 reveal Valve's inspiration for the Space Core: an Oregon Coast Aquarium ad with a goldfish rapidly and repeatedly humming, blurting, and stating that he would like to go to the aquarium, much like the Space Core does.

Adventure Sphere

이 부분의 본문: Adventure Sphere
Rick, the Adventure Sphere
Do you have a gun? Because I should really have a gun. What is that thing you're holding?
— The Adventure Sphere

The second corrupted core, the Adventure Sphere (or as he calls himself, Rick) speaks like a stereotypical soldier. Upon seeing Chell, he starts to swoon over her. He even tries (unsuccessfully) to convince Chell to take a "lady break" while he deals with Wheatley. After shooting a portal on the moon, an observant one can see Rick fly off of Wheatley.

Fact Sphere

이 부분의 본문: Fact Sphere
Fact Sphere
In 1948, at the request of a dying boy, baseball legend Babe Ruth ate seventy-five hot dogs, then died of hot dog poisoning.
— The Fact Sphere

The Fact Sphere is the third corrupted core. It constantly states several random, twisted and not entirely true "facts" related to history, the current situation, as well as apparent facts about how amazing and handsome it is.


  • The bomb model used in Portal 2 is named 'personality_sphere_angry' within the game files, suggesting the Anger core was to make an appearance in the sequel.
  • The bomb model also possesses various typical personality core animations that can be viewed in the Model Viewer in the Authoring Tools. These include a stationary animation, a test animation where the core aimlessly looks around, and an angry animation where it twitches violently.
  • In early screenshots released prior to the Portal 2 E3 teaser trailer, the texture of personality cores were yet to receive detailing and minor scratches, as the textures of the plating were matte white. Since then the textures have been greatly improved, and compared to Portal, the Cores from then to the retail version have a wider range of emotions.


See also