Master Chief in helmet

1440 × 900

Halo Master Chief helmet

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Master Chief in the rain

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Master Chief on a green hill

1900 × 1200

Master Chief in futuristic armor

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Halo game logo and armor

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Master Chief with weapon

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Halo Legends Spartan

1200 × 900

Halo 3 ODST helmet close-up

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Halo soldier in dark corridor

1920 × 1080

Aperture Science logo

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Gears of War logo

1600 × 1200

Portal game cover art

1920 × 1200

Borderlands game logo

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Silhouette of a Soldier — Green

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Soldier in Jungle Armor — Green

1024 × 768

Borderlands logo on dark background

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StarCraft II logo

1440 × 900

Black Mesa Research Facility logo

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Aperture Laboratories logo

1600 × 1200