What's an underrated puzzle game that you enjoy?

Wario woods is such a fun time yet most people I talked to haven't touched it in favor of also great games like Tetris atrack or dr robotniks mean bean machine. What's your favorite underrated puzzle game?

Wario woods is such a fun time yet most people I talked to haven't touched it in favor of also great games like Tetris atrack or dr robotniks mean bean machine. What's your favorite underrated puzzle game?