blue robot in snowy landscape

1280 × 960

Armored Core mech in wasteland

1440 × 900

Portal robot in Skyrim

2560 × 1600

mech in snowy mountains

1920 × 1080

Zone of the Enders artwork

1024 × 768

giant robot in alien landscape

1920 × 869

mech and pilots at sunset

1024 × 768

Firefall game promotional art

1920 × 1080

Cyberman in snowy landscape

1920 × 1200

Unmechanical game scene

1600 × 1200

Mechwarrior Online Founder's Catapult

1920 × 1200

Pixel art of a robot

900 × 890

StarCraft II: Wings of Liberty

1920 × 1080

Terran Marine concept art

1600 × 1200

CARGOrilla robot with cube

1600 × 1200

Portal robot with laser

1600 × 1080

TimeShock game cover art

1597 × 1074

soldier in futuristic armor

1440 × 900

GLaDOS in a chamber

1920 × 1080

Er'eauna game environment

1920 × 1200