About League of Grimm: Idle RPG
The mirror has shattered.
The fairytales you once knew are no longer innocent.
Step into a twisted dreamworld as a Mirrorbreaker and summon legendary heroes from corrupted tales. Snow White, Red Riding Hood, Aladdin, the Genie, and many more familiar characters return in darker, stronger, and more rebellious forms.
Build your dream team, master elemental counters, collect powerful spirits, and challenge endless adventures in a beautifully illustrated dark fantasy world.
Launch Rewards Are Waiting!
① Summon powerful fairytale heroes and build your ultimate team!
② Log in to claim rare heroes, upgrade materials, and exclusive rewards!
③ Enjoy idle rewards even while offline!
④ Challenge dungeons, arenas, guild wars, and limited-time events!
Game Features
----Twisted Fairytale Heroes----
Collect dark versions of classic fairytale characters and unlock their hidden powers. Each hero has unique skills, roles, and battle styles.
----Strategic Idle Battles----
Form your lineup and let your heroes fight automatically. Choose the right heroes, positions, and factions to defeat stronger enemies.
----Five Element Factions----
Water, Fire, Wind, Light, and Dark factions create deep strategic counters. Use faction advantages to gain bonus damage and higher hit rates in battle.
----Build Your Dream Team----
Activate powerful team bonuses through same-faction lineups, mixed-element teams, and advanced formations. Every choice can change the result of battle.
----Hero Growth System----
Upgrade, advance, awaken, and equip your heroes. Strengthen them with gear, runes, talents, and spirits to unlock their full potential.
----Spirit Companion System----
Equip up to four magical spirits to support your heroes in battle. Spirits can unleash active or passive abilities and turn the tide at key moments.
----Endless Idle Rewards----
Collect resources even when you are offline. Return anytime to claim rewards and keep growing stronger.
----Multiple Game Modes----
Explore story chapters, adventure stages, arena battles, guild wars, alliance battles, time-limited missions, and mysterious dungeons such as enchanted forests, abyss castles, moonlit springs, and time corridors.
The mirror is broken.
The nightmare has begun.
Will you rewrite the ending?
Short Description
Collect dark fairytale heroes in a strategic idle RPG.
League of Grimm: Idle RPG details
League of Grimm: Idle RPG is a free Role Playing app for Android with 100+ installs on Google Play and a 5.0/5 average rating from 1 rating. It was last updated on August 24, 2026. It's developed by Dreamer 3. The app offers in-app purchases.
- Category
- Role Playing
- Rating
- 5.0 / 5 (1 rating)
- Installs
- 100+
- Price
- Free
- In-app purchases
- Yes
- Ads
- No ads
- Requires Android
- Varies with device
- Content rating
- Everyone 10+
- Last updated
- August 24, 2026
- Developer
- Dreamer 3
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