脱出ゲーム Underground is a new free puzzle game available for Android devices. It challenges players to solve a mystery and escape from a basement. The game is completely free to play from start to finish, with no hidden fees or in-app purchases.

The game is designed with simple and easy-to-use controls, relying only on taps to navigate through the game. The graphics are visually stunning, providing players with an immersive experience. Additionally, the game features a hint system to help players who may get stuck, as well as an auto-save function to ensure progress is never lost.

With two different endings to discover, players can enjoy the game multiple times to uncover all its secrets. If you're a fan of puzzle games and looking for a new challenge, give 脱出ゲーム Underground a try.