Portal 2 title screen

1280 × 800

Halo 3 game cover art

1366 × 768

Two Characters in Combat Gear — Gray

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Half-Life 2 weapon lineup

1920 × 1080

Half-Life 2 character wallpaper

1680 × 1050

Half-Life 2 Episode Three

1280 × 960

Half-Life 2 promotional art

1280 × 1024

Half-Life 2 promotional artwork

1024 × 768

Half-Life 2 character art

1600 × 900

Aperture Laboratories logo

1280 × 1024

Aperture Laboratories Diagram

1920 × 1080

Aperture Science logo wallpaper

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