Not a simple tower defense, It's also a roguelike survival game!
Monster Craze is about a single archer defending himself against an unlimited number of enemies.
Defend yourself to the death. Upgrade your arrows and attributes to survive more and kill more monsters.
Upgrade your attributes according to your strategy.
Also, don't forget to upgrade your arrow to get powerful.
This will greatly increase your attributes.
Then, enjoy your different arrow effects and explosions.