Playtesters did a lot for this game! Some of these puzzles are the results of awesome playtester rewrites. Every puzzle has at least one playtester-inspired change.
February 2010: From Team Longshots: Chris Roat, Bob Schaffer, and Sue Wang. A seemingly random (but actually ordered) gaggle of grad students: Sarah Houts, Noël Bakhtian, Peter Kimball, Roland Burton.
March 2010: From The Inner Loop, Girts Folkmanis and Heather Yager. Team Octopus to the People: Niniane Wang, Charles Martin, Phil Zigoris.