Five Characters in Stained Glass

1603 × 768

Two Robots in Motion

1680 × 1050

Robots in a Facility — White

1920 × 1200

Portal characters in a city

1280 × 796

Weighted Companion Cube — Black, Dramatic

1280 × 800

Companion Cube — Yellow

1920 × 1200

Companion Cube I Love You

1280 × 1024

GLaDOS and Wheatley in Aperture

2560 × 1199

Valentine's Day with GLaDOS

1280 × 988

Chell and a Portal Device

1280 × 1024

Portal game scene with GLaDOS

1440 × 900

Portal test chamber view

1920 × 1080