Mugen Souls was officially announced by developer Compile Heart.
The game was first released for PlayStation 3 in Japan.
NIS America released Mugen Souls on PlayStation 3 in North America.
Mugen Souls was released in Europe for PlayStation 3.
Mugen Souls Z, a sequel with new features and story, was released in Japan.
The seven universes come into existence, each ruled by a powerful Demon Lord.
The Demon Lords engage in various conflicts over their territories and influence across the seven universes.
The protagonist, Chou-Chou, heir to the Demon Lord of the First Universe, is born.
Chou-Chou sets out on her quest to conquer all seven universes and become the supreme ruler.
Chou-Chou recruits friends and powerful allies to aid her conquest.
Chou-Chou successfully consolidates power in her own universe, establishing a strong base.
Chou-Chou faces off against the Demon Lord of the Second Universe.
A temporary alliance is formed with the Third Universe to combat greater threats.
Chou-Chou defeats the Demon Lord governing the Fourth Universe, expanding her control.
Chou-Chou encounters the mysterious figure known as Mother Celestia, who influences her journey.
Chou-Chou completes her conquest, uniting all seven universes under her rule.