Portal 2 game artwork

1024 × 768

Aperture Science logo

2560 × 1600

Aperture Science logo and slogan

2560 × 1600

Portal 2 game cover art

2560 × 1440

Portal 2 game scene

1600 × 900

Halo Reach soldier in combat gear

1440 × 990

Portal 2 game scene

1280 × 1024

StarCraft II Terran scene

1600 × 1200

Portal game puzzle icons

1280 × 960

Portal 2 game art

1920 × 1200

Aperture Science Test Report

1680 × 1050

space strategy game interface

1280 × 1024

Half-Life 2 game environment

1024 × 768

Portal game scene with text

1280 × 1024

Portal game art with Aperture Labs logo

1600 × 1200

Aperture Science and a deer

1600 × 1000

robots in a testing chamber

1280 × 1024

Turret Sentry firing laser

1152 × 864

Turret Sentry with Laser

1920 × 1080

Portal Gun Device

1024 × 768