Raising the Bar: Triumph
PuzzleReturn to Aperture Science, overrun by a rogue Combine AI with little patience and murderous intent. Solve puzzles that will challenge your three-dimensional...
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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