"+=3's" thesis is that a puzzle's difficulty is not directly related to how logical the solution to the puzzle is, but rather by the context that the puzzle appears in. Most seasoned IF players will find this game's one puzzle infuriating because it cleverly defies IF's conventions, yet the puzzle's solution is not only logical, but, literally, a cliche.
Odd, eerie, surrealistic, and foreboding, "Shade's" mood is its real attraction. The game's only "puzzle" is actually a very clever meta-puzzle; once you've noticed what all the significant commands in the game have in common, you'll get the gimmick and soon find yourself at the game's notorious ending.
This "Chicken Comp" entry is a cute, one-puzzle game distinguished by incisive writing and slapstick humor.
This game channels the player towards a pivotal, brilliant, "gestalt" puzzle which requires the player to piece together a couple of different patterns that the narrative created through its repetition of the backstory. The fact that the puzzle works so well is impressive all by itself, but "Spider and Web" also features clipped, stylish prose that creates a tense, claustrophobic atmosphere and describes a sinister, memorable NPC.