tsj5j writes: In celebration of Steam's recent Mac release, Valve has made Portal completely free till May 24th with no strings attached (besides the requirement of the free Steam client). This isn't a trial, you get to keep it as long as you download it within the promotional period. As Portal has scored great reviews from critics, it's certainly worth a download. Link to Original Source
Gosh that takes me back... or is it forward? That's the trouble with
time travel, you never can tell."
-- Doctor Who, "Androids of Tara"