14 Minesweeper Variants is... well, 14 minesweeper variants. What else would you expect? By the way, guessing is not required in this game.
A=B is a programming puzzle game with only one instruction: A=B, which means replacing A with B.
Understand is an experimental puzzle game about guessing rules. In each level, you have to figure out the rules through trial and error, then draw a line satisfying all rules.