Aperture Science logo with robot

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Teenage Mutant Ninja Turtles characters

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Portal Companion Cube with abstract design

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Teenage Mutant Ninja Turtles

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Companion cube concept art

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Puzzle game mechanics diagram

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Aquaria game characters

1280 × 1024

Companion Cube glowing

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Companion Cube with hearts

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Companion cube safety reminder

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Team Silhouettes Red and Blue

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Team Fortress 2 character portraits

1024 × 768

Team Fortress 2 character portraits

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Team Fortress 2 character portraits

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Team Fortress 2 team silhouettes

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Aperture Laboratories logo and icons

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Portal game safety icons

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Aperture Laboratories logo

1280 × 1024

Aperture Laboratories logo

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Portal Companion Cube with hearts

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