Baf's Guide to the IF Archive: Jigsaw
Rated 5/5 by Carl Muckenhoupt. "Huge, difficult, exceptionally well-crafted."

Review by Gareth Rees
"Jigsaw is extremely good by the standards of existing text adventure games, and certainly good enough to be worth paying the compliment of taking it seriously."

XYZZYnews: On Jigsaw and "I"
Article by author Graham Nelson on the ambiguous gender of both the protagonist and the love interest in Jigsaw.

XYZZYnews Review
Release 1 reviewed by Laurel Halbany. "Some of the first-release bugs are nerve-grating, but the game's strengths more than overcome them."