Perpetual Testing Initiative(Portal 2)

[CutterJohn]

The map editor for Portal 2 has released. Get it now on steam. :)



Edit: Wow. There are already over 12,000 maps. (http://steamcommunity.com/workshop/)

[Goku]

Of which 10 are worth playing.

[duomaxwl]

I finally bought Portal 2 since it was on sale for this. No regrets.