Portal game logo

1920 × 1080

Portal logo on black

1280 × 1024

Portal logo on black

1024 × 819

Portal Logo Design

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Portal logo

1280 × 1024

Portal Logo — Blue

1920 × 1440

Portal logo with tagline

1680 × 1050

Portal game logo with icons

1366 × 768

Aperture Logo on Orange Background

1920 × 1080

Aperture Logo on Red Background

1920 × 1080

Aperture Science Logo — Blue

1920 × 1080

Portal companion cube with heart

1680 × 1050