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Portal 2

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Portal 2 - Perpetual Testing Initiative

The Perpetual Testing Initiative is a level editing and sharing service for the PC and Mac versions of Portal 2, released by Valve on May 8th 2012. It is free for all who purchased Portal 2, and is included directly in the game.

Users can create levels, and play them, and also share them online for other players to play. The level editor features a simple interface, and the ability to test play the level. The story line, albeit simple, involves Cave Johnson, the test subjects of Aperture Science, and multiple universes.

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Last updated by Machina, 4th February

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Portal 2 DLC

Peer Review

Perpetual Testing Initiative

Sixense

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1,685 ratings

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Quick Details

Franchise(s)
Half-Life
Portal
Developer(s)
Valve Corporation
Publisher(s)
Valve Corporation
Key People
Joshua Weier
Gabe Newell
Release Dates
PlayStation 3

Apr 19, 2011

Apr 21, 2011

May 19, 2011

Xbox 360

Apr 19, 2011

Apr 21, 2011

May 19, 2011

Microsoft Windows

Apr 19, 2011

Apr 21, 2011

Apr 22, 2011

Genre Shooter

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