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Download Portal: Prelude 1.1.5

This mod by the Portal: Prelude Team is the prequel to the Portal game. Features include more gameplay hours than the original game, 8 chapters, 48 challenges, 6 advanced maps, a brand new storyline and more than 400 lines of speech.

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File name File size Downloads Added
portal-prelude-setup-1.1.5.exe 740 MB 1,090 2 Feb 2009