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aperture tag the paint gun testing initiative

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Aperture Tag: The Paint Gun Testing Initiative review

By Christopher Livingston

Aperture tag

Portal 2 mod Aperture Tag releases on Steam, for a price

By Phil Savage

portaltag

Portal 2: Aperture Tag mod adds level editor and Steam Workshop support

By Emanuel Maiberg

Aperture Tag for Portal 2

Mod of the Week: Aperture Tag, for Portal 2

By Christopher Livingston

Portal 2 Aperture Tag mod

Portal 2 mod swaps portals with paint in 26 new maps

By Omri Petitte