Portal 2 game cover art

1280 × 1796

Portal 2 game cover art

1457 × 2050

Portal 2 test chambers

1280 × 1024

Aperture Laboratories safety icons

1024 × 768

Aperture Laboratories logo with graffiti

1280 × 1024

Portal game art with Aperture Labs logo

1600 × 1200

Aperture Laboratories logo

1280 × 1024

Aperture Science logo

2560 × 1600

Aperture Science logo

2560 × 1600

Aperture Science logo and slogan

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Portal characters in action

2000 × 2000

Chell with portal gun

1920 × 1080

Portal game puzzle icons

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Portal game art with GLaDOS

1920 × 1200

Portal game art with text

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Portal Companion Cube

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Half-Life 2 game environment

1024 × 768

Mass Effect 2 promotional art

1280 × 1024

Half-Life 2 Episode Two

1280 × 960

Turret Sentry firing laser

1920 × 1200