Raise Powerful Demon Girls In This Casual Strategy Idle Game

Idle Devils is a casual strategy idle RPG where you recruit and train powerful demon girls to conquer the Demon Realm and claim the throne as the next Demon King.

A mysterious miasma has plunged the Demon Realm into chaos. The seals of the Seven Hells have broken, the former Demon King has fallen, and a new ruler must rise. Only the one who can restore order and reseal the Hells will become the true Demon King.

Idle Devils Ultimate Edition is an enhanced idle role‑playing game that combines strategic team building, demon management, and automated progression. Players command a growing roster of devil characters, strengthen their abilities, and accumulate rewards even while offline. Designed for both active and passive playstyles, the Ultimate Edition delivers streamlined systems, improved balance, and complete content in one package.