★ Defeat Enemies
* Use both attack and defense modes to crush your enemies and collect their knives!
* Collect knives to grow in size and become more powerful.
* The more knives you collect, the greater force you get to strike enemies and win.
★ Upgrade Attack Force
* Lots of different knives and heroes with unique attack skills.
* Upgrade your attack force by unlocking heroes and knives with more powerful attack skills.
★ Collect Rewards
Win scores to unlock more rewards!
★ Have Fun with Your Friends
* Play online with your friends.
* Automatically match up with global players.