Download Portal: Prelude 1.0.0

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.

File name Downloads Added
portal-prelude-setup-1.0.0.exe 10 10 Oct 2008