Silhouettes of game characters

1920 × 1080

Halo and Gears of War characters

1024 × 768

Portal turrets and robots

2560 × 1600

Alien Soldiers in Formation

1300 × 734

Covenant Vampire concept art

1024 × 615

Purple Alien Vehicle — Dark

1920 × 1080

Defy the Covenant poster

1920 × 1200

Halo 3 promotional art

1600 × 1200

Halo Reach helmet lineup

1964 × 939

Halo Reach mining facility

1920 × 1200

Spaceships in a Hangar

1600 × 633

Soldiers in Alien Landscape — Green, Dramatic

3325 × 1200