激ムズ和のひとふで書き2000 is a free puzzle game developed by HAYATO SAITO for Android devices. The game is set in a Japanese-themed world where players must connect numbers on a grid to solve challenging puzzles. The game currently has over 550 levels, with more levels expected to be added in the future.

The game is designed to be accessible to all players, with the early levels being easy to clear. However, as players progress through the game, the challenges become more difficult, making it a true test of problem-solving skills. The game's puzzles range in size from 5x5 to 9x9, with each grid containing numbers that must be connected in a specific order. The game also includes original sound effects created by Rengoku Teien and Maou Soul.

Overall, 激ムズ和のひとふで書き2000 is a fun and challenging puzzle game that offers hours of gameplay. Whether you're a puzzle game enthusiast or just looking for a new game to play, this app is definitely worth checking out.