Related to lemon grenade concept

Lemon Grenade — Yellow, Surreal

1920 × 1080

Aperture Science Facility — Gray

1920 × 1080

Abandoned Industrial Facility — Gray, Dramatic, 3d Render, Signage

1920 × 1080

Industrial Facility Interior — Gray, Dramatic, 3d Render, Sign

1920 × 1080

Two Robots in a Facility — White

1920 × 1200

Abandoned Industrial Facility — Gray, Dramatic, 3d Render, Signage, Conveyor Belt

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Lemon Grenade — Yellow

1920 × 1080

Aperture Science Facility

1920 × 1080

Portal Gun Device — White, Technological, 3d Render, Aperture Laboratories Logo

1920 × 1200

Portal Gun Device — White, Neutral

1024 × 768

Robotic Camera Device — Black

1920 × 1080

Companion Cube with Hearts — Blue, Melancholic, 3d Render

1920 × 1080

Person Falling into Portal — Gray

1280 × 1024

Woman Holding Weapon — White

1920 × 1200

Woman Holding Device — White

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Robotic Characters in Dark Room — Gray

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Chell and the Aperture Science portal

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Aperture Science entrance portal

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Aperture Science Handheld Portal Device

1200 × 670

Aperture Science Portal Blueprint

1151 × 800

Aperture Science logo in game

1920 × 1080

Aperture Logo — Blue, Dark

1600 × 900

Portal game icon

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Cube with Heart Symbols — White, Neutral, 3d Render, Heart Symbol

1920 × 1200