


20+ similar games compared and reviewed
右脳を鍛える!逆さ計算!! is great, but it's not the only option. Explore 20+ similar apps and games for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.












Practice mental math with this application. Choose from various difficulty levels to train your arithmetic skills or engage in brain exercises for anti-aging. It's a straightforward tool for improving calculation speed and accuracy.


Step into the role of a shopkeeper who can alter the past. Travel to your clients' pasts to help them relive and change "that day." Explore short stories of regret and lingering feelings.








Explore a hot spring hotel in this lengthy escape game. Featuring a humorous story, multiple endings, and an auto-save function, it offers a deep, investigative experience with replayability.

