Black Mesa game cover art

1920 × 1200

Wolfenstein: The New Order logo

1920 × 1080

Master Chief with weapon

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Half-Life 2 game environment

1024 × 768

The Scout character in action

1280 × 960

Team Fortress 2 main menu

1280 × 960

Return to Castle Wolfenstein

1024 × 768

Halo 3 combat scene

1920 × 1080

Portal gun with fiery portal

1280 × 1024

Team Fortress 2 combat scene

1920 × 1080

Portal gun firing a fire portal

800 × 640

Portal 2 game artwork

1024 × 768

Mass Effect 3 game logo

1920 × 1080

Portal 2 game cover art

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Portal 2 game title screen

1920 × 1200

Portal 2 game scene

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Portal game art with Aperture Labs logo

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Portal 2 promotional artwork

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Portal 2 puzzle room

1920 × 1080

Portal 2 title screen

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