Product Release - Valve
Jul 15, 2014
Aperture Tag: The Paint Gun Testing Initiative is Now Available on Steam and is 30% off!*

Aperture Tag: The Paint Gun Testing Initiative is a Portal 2 Mod. It's time to think with Gels! The Portal-Gun is gone, but the testing must go on! Grab the Paint-Gun Device and solve brand new test chambers in ways you've never solved them before!

*Offer ends July 22 at 10AM Pacific Time

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