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.

File name Downloads Added
portal-prelude-setup-1.1.5.exe 226 2 Feb 2009