TOHU's puzzle design is very clever and requires players to use their brains to successfully pass the level. The difficulty of the game is moderate, so it won't feel too difficult or boring. The storyline in the game is full of mystery and humor, making it very interesting and enjoyable. Players can explore a variety of scenes, including mechanical cities, underwater worlds, mysterious fish planets, etc. Each scene has unique designs and details, making people feel like they are in a fantasy world.

Players need to obtain key information by observing scenes and talking to characters, and then use their reasoning skills to solve complex puzzles. These puzzles may be some mechanical puzzles, mazes or logic problems, which require players to use their brains and patience to think and solve. After solving puzzles, players will receive a pass to advance further and repair the world's sacred engine.

A hand-drawn adventure game in which players will play the role of a cute little girl, explore the mysterious world and meet various interesting friends. The game focuses on reasoning and puzzles, allowing players to solve complex puzzles to repair the sacred engine that has drained the world of color. The story takes place in a unique and fantastic world composed of various mysterious and wonderful creatures and landscapes. Players will play a little girl named Tohu. During her adventure, she will explore every corner, interact with different friends, solve hidden puzzles, and rebuild the balance of the world.