Mugen Souls (圧倒的遊戯 ムゲンソウルズ, Attōteki Yūgi Mugen Souruzu) is a Japanese role-playing video game developed by Compile Heart with collaboration from GCREST and published in North America and the PAL regions by NIS America.

[6] A Nintendo Switch port, published by Eastasiasoft, was released in April 2023, with all of the content uncensored.

[5][7] The sequel, Mugen Souls Z, also received an uncensored version from Eastasiasoft in September 2023.

[8][unreliable source] The main protagonist of Mugen Souls, Chou-Chou, plans to conquer the universe by subjugating the seven worlds it comprises, as she thinks the planets look pretty.

Gameplay aspects include level caps of 9,999, large mecha, and billion-point damage.