Chaos Defense Merge Battle

The first official mobile game licensed by CHAOS.
The legendary heroes of Chaos Online have returned.
Enjoy the thrilling combination of real-time 1v1 PvP, strategic co-op defense, and unpredictable random merges.


This merge game is packed with excitement.
Experience the ultimate real-time 1v1 PvP defense and real-time co-op defense gameplay.
Merge identical units to evolve into stronger tiers and overwhelm your enemies.


Merge your heroes and send them into battle.
Familiar characters, completely new gameplay.
Collect and upgrade heroes in Chaos Random Defense and build your own unique strategy.


The core fun of the game!
Random unit spawns and unpredictable battles
Strategic gameplay through unit combinations
Daily changing event rewards
A game system that’s easy for anyone to enjoy