The game is not all about fighting though, as leveling up is just as important as combat. Killing enemies will grant you some loot which can then be used for various reasons, like upgrading weapons, making potions, and unlocking new abilities.
This kitty is packing heat in the form of a rifle and attempts to take down alien invaders before they reach the other end of the screen. Kill enemies and gain coins; let them through and lose health.
The premise is simple and the gameplay is pretty straightforward, yet it remains strangely satisfying.