Old Science Initiative
PuzzleWelcome to the "Old Science Initiative", astronauts, war heroes, Olympians... Who else is worthy of the best honors?
Glitchy Portals is a free mod for Portal 2 with 9 brand new chapters which includes an original story that continues off of Portal 2 (playing and or beating Portal 2 is recommended before playing this mod but not required), new characters, an original soundtrack, new art and cutscenes, and more.
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