Portal 1 but co-op is so broken IT'S AMAZING!

What happens when you take 3 people and make them play through Portal's single-player maps? The answer? ABSOLUTE CHAOS. Fun for the whole Source engine community!
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Portal Cooperative: moddb.com/mods...
Portal is a 2007 puzzle-platform game developed and published by Valve. It consists of puzzles that must be solved using the Aperture Science Handheld Portal Device, which can create intra-spatial portals between two flat planes. A sequel, Portal 2, was released in 2011.
#Portal #Source #Valve