Classic tower defense with fusion system.
Customize monster route deploy soldiers as defenders and defeat the invading monsters!
Fuse and upgrade soldiers strategize with various tactics and combinations and unlock numerous soldiers and heroes!

Features:
- With only a few taps you can enjoy this fun tower defense game with fusion and upgrade systems.

- Customize monster route to try different strategies.

- A rich variety of monsters and soldiers. Strategize to gain an upper hand against different enemies.

- Unleash the full potential of your finger in Rainbow disco to recruit soldiers crazily.

- Awesome techs and runes to multiply your combat power.