There’s only one way to stop the endless wave of enemies — firepower.
Lead your army of slimes and crush everything in your path to prove your strategy!
Easy to play, hard to master — K-Villain Defense, a vertical strategic defense game with deep tactical gameplay.
⚙️ Core Systems
Triple Fusion Evolution
Merge three identical units to evolve into a higher-grade one!
From Normal to Legendary (LR) — build the ultimate slime army.
Class Synergy Effects
Combine units of the same class to unleash powerful effects across the entire battlefield.
Soldiers, Demons, Machines, Elements, Swordsmen, and more — dominate with clever combinations.
Legendary Slime Skills
LR-grade slimes come with unique, game-changing ultimate skills.
Fill the skill gauge to automatically unleash devastating attacks!
Deck Strategy
Clear stages with smart deck-building and perfect synergy!
🧩 Game Features
Fast-paced battles — No defense, no healing. Only pure firepower.
Strategic unit combos — Master class synergies and take over the battlefield.
Simple rules, deep strategy — Easy to learn, endlessly replayable.
Collect & grow — Gather and upgrade slimes from N to LR rank to strengthen your squad.
Vertical UI — Play effortlessly with one hand, anytime, anywhere.
Your strategy = your firepower.
⚔️ Defend the wave, defeat the boss, complete your synergy!
No need for shields or heals — offense is the best defense.
🔼 Growth System
Draw and fuse slimes from the shop
Optimize class synergy to build the ultimate deck
Strengthen your army permanently with progressive upgrades