Portal: Still Alive - Map Pack version
PuzzlePortal: Still Alive, but instead of it being a mod on your Steam library, it's a map pack you can find in Bonus Maps.
Play through the first Portal with a friend! Unlike other Portal Multiplayer Mods, this mod is focuses more on puzzles, rather than the basic shooting as seen in other Portal MP mods. Test custom maps and play a whole new campaign. But remember, be careful who you play with...
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