14 Minesweeper Variants is... well, 14 minesweeper variants. What else would you expect? By the way, guessing is not required in this game.
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.
A=B is a programming puzzle game with only one instruction: A=B, which means replacing A with B.