Related to Portal test chamber

Aperture Science welcome screen

1280 × 960

Aperture Science word cloud

1131 × 707

Aperture Science Enrichment Center

1440 × 900

Aperture Science escape view

1680 × 1050

White Figure Falling — Gray

1920 × 1080

White Figure Falling

1920 × 1080

Cave Johnson Character — White

1600 × 1200

Chell and Wheatley in Aperture

1200 × 756

Stick Figure Falling — White, Neutral

1920 × 1200

Login screens for Black Mesa and Aperture Science

2880 × 900

Robot Using Portals

1600 × 1200

Robot with Laser Beam — Gray

2560 × 1080

Hands Holding a Cube — Black

1680 × 1050

Chell with a Companion Cube

1920 × 1080

Chell in Aperture Labs

1920 × 1200

Aperture Laboratories cake scene

1280 × 800

Turret Sentry Robot — Black, Dramatic, Digital Art, Laser Beam

1280 × 1024

Silhouette of a Robot — Black, Dramatic, Serious

1920 × 1080

Companion Cube dialogue

1920 × 1200

Computer Screens with Text

1600 × 1000

Aperture Laboratories logo with Companion Cube

1680 × 1050

Two Robots in a Facility — White, Neutral

1366 × 768

Portal 2 robots in flooded chamber

1920 × 1080

Robotic Puzzle Platform — Blue

1920 × 1080