"I thought the second puzzle was great, but the work order puzzle relied on what I think of as an illegitimate approach. The game world didn’t really provide any knowledge (although I may have missed something) that would enable you to solve the work order unless you act in a way that contradicts the character’s motives. Manny is desperate to get the order signed; unless he already knows what’s going on with Don it’s not reasonable for him to go outside. For the player, who knows that there must be some solution to this problem, leaving the building is reasonable, but forcing the player to use that knowledge breaks the immersion."