Related to Halo Covenant enemies

Silhouettes of game characters

1920 × 1080

Halo and Gears of War characters

1024 × 768

Portal turrets and robots

2560 × 1600

Alien Soldiers in Formation

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Covenant Vampire concept art

1024 × 615

Purple Alien Vehicle — Dark

1920 × 1080

Defy the Covenant poster

1920 × 1200

Halo 3 promotional art

1600 × 1200

Weapons of Halo Reach

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Halo Reach helmet lineup

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Halo Reach mining facility

1920 × 1200

Spaceships in a Hangar

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Soldiers in Alien Landscape — Green, Dramatic

3325 × 1200

Mass Effect alien species

1280 × 905

Alien Landscape with Ringed Planet — Gray, Dramatic, Night

1920 × 1080

Alien character in Mass Effect 2

1280 × 720

Floating alien city concept art

1200 × 796

Aperture Laboratories logo with characters

1680 × 1050

Military Vehicle in Forest — Gray

1920 × 1200

three alien soldiers in combat

1680 × 1050

Destroy All Humans! Big Willy Unleashed

1600 × 1200

Xenosaga Episode III characters

1920 × 1213

Purple Alien Structure

3840 × 2160

Dark Alien Structure

2560 × 1600