Portal: Revolution Brings a New Campaign with 40 Brand-New Puzzles to Valve’s Portal 2

[Tsing]

Portal: Revolution, a community-made mod from Second Face Software that brings a new campaign mode with 40 brand-new puzzles to Portal 2, is now available as a free download on Steam for all owners of Valve's acclaimed 2011 puzzle-platform game.

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[MadMummy76]

Meh, I was hoping for an official expansion.

 

[LeRoy_Blanchard]

I just wish it had co-op. Haven't played it yet, but I plan to. The co-op missions/maps of Portal 2 were a lot of fun.