Portal 2 Perpetual Testing Initiative

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Added by apu11
10 years ago on 3 July 2013 07:06

Introducing the Perpetual Testing Initiative (PeTI) for Portal 2, which combines the powerful, easy-to-use Puzzle Maker and full Steam Workshop integration. Available free for the PC and Mac on May 8th. Visit www.thinkwithportals.com for more information.