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.

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File Size: 39.01 MB

Download courtesy of:burstfire

Game Stats

System Requirements
Release Date: 21/04/2011
Developer: Valve
Genre: Puzzle
Rating: PEGI 12+
Site Rank: 487 38
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