giant mech in green storm

1280 × 854

Spartan soldiers in combat

1920 × 1080

Mega Man X vs Zero

1280 × 900

Colonial Marine soldier

1920 × 1200

Front Mission mech concept art

1280 × 1024

two armored warriors in combat

1600 × 900

Chell and the Aperture Science portal

1600 × 1000

Portal robot with laser beam

2560 × 1080

Portal robot character

1440 × 960

Chell and robots in a test chamber

1024 × 768

robotic creature in abandoned building

1920 × 1200

Halo Reach planet sunrise

1920 × 1080

Halo Reach character portrait

1600 × 1200

robots in a neon-lit corridor

1920 × 1080

futuristic city with floating structures

2560 × 1600

Half-Life 2 Combine Soldiers

1680 × 1050

female soldier with rifle

1280 × 1024

Legion character from Mass Effect

1920 × 1200

red armored warrior

1680 × 1050

Serenity: Those Left Behind

1440 × 900