Portal Gun from Aperture Science

1920 × 1200

Portal Gun Device

1680 × 1050

Mass Effect character in futuristic armor

1600 × 1000

Mass Effect game artwork

1600 × 1000

Man with Gun in Action

1600 × 900

girl gaming in spaceship cockpit

1280 × 720

Woman in city with gun

1600 × 1125

Woman and Robot

1920 × 1080

Halo 4 game artwork

1920 × 1080

Overstrike game character art

1920 × 1200

Dead Space 2 game art

2134 × 1200

Aperture Science entrance

1280 × 1024