S.H.I.E.L.D. Logo — Black, Gritty

2560 × 1440

grungy game controller art

1280 × 800

Yellow Aperture Logo — Minimalist

1650 × 1080

Aperture Science logo

2560 × 1600

Portal Test Chamber Symbols

1280 × 800

Aperture Science logo with robot

1680 × 1050

Aperture Laboratories logo and icons

5000 × 3343

Aperture Logo with Text

1002 × 762

Companion Cube — Gray

1680 × 1050

Portal robots in a test chamber

2700 × 1800

Vault Boy Giving Thumbs Up — Green, Gritty, Digital Art

1440 × 900

N7 logo on dark background

1680 × 1050