Risdom（リズダム） -英語攻略リズムゲーム-

Risdom（リズダム） is an English-learning rhythm action game jointly developed by Sega XD and Benesse. Turn game time into study time with short, approximately three-minute sessions that combine rhythm gameplay with vocabulary, grammar, and listening practice.

The app covers English skills from Eiken Grade 5 through Grade 1 and TOEIC scores from 600 to 900. Its adaptive review system uses forgetting-curve principles to present questions at effective times and in varied formats, helping reinforce learning. Players can develop characters, aim for high scores, and enjoy original tracks alongside popular Japanese songs from artists including DECO*27, Ado, Kanaria, and others. Social features let players connect with friends and share scores, English ability, and titles. Compatible with iOS 16 or later and supported iPhone 12 and newer models.