Portal 2 puzzle room

1024 × 640

Aperture Science triumph note

1024 × 768

Aperture Science office desk

1680 × 1050

Portal game icons and logo

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Portal game icon

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Half-Life 2 game environment

1024 × 768

space strategy game interface

1280 × 1024

Half-Life 2 Episode Two

1440 × 900

Team Fortress 2 Sandvich

1600 × 900

Aperture Laboratories logo with graffiti

1280 × 1024

Portal 2 companion cubes

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Portal 2 Companion Cube

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Love quote with Aperture logo

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Portal game art with GLaDOS

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Turret Sentry with Laser

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female character from mass effect 2

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Half-Life 2: Combine

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Half-Life 2 character art

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Half-Life 2 characters in action

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Mass Effect 2 promotional art

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