Aperture Science test chamber

1280 × 960

Portal turrets in test chamber

1600 × 1200

Robotic Test Chamber

1920 × 1200

Companion cube in a test chamber

1680 × 1050

Portal puzzle room with cubes

1280 × 1024

Robot in Puzzle Room

1280 × 1024

Portal test chamber scene

1440 × 900

Portal robot in test chamber

1920 × 1080

Chell in Aperture Science

2560 × 1440

Portal robot puzzle scene

1827 × 1080

Portal Gun in Lab

1920 × 1080

Weighted Companion Cube — Black

1280 × 800