Defend the Cat King: Quack Attack

The Duck Empire has invaded the Cat Kingdom, and you and the King are the only survivors. How long can you withstand the... QUACK ATTACK?

Characters:

• The King 
  He's an idiot for staying still when his kingdom gets invaded, but he's too cute to say anything to him.
• The Hero  
  The only cat remaining besides the King.

Enemies:

• The Soldier 
  The average duck soldier.
• The Tank
  This duck is BIG and tanky and... that's it.
• The Speedster
  He's not like the others, the Speedster go directly for the Hero.

Level up and upgrade system:

When you kill enough enemies, you level up and can choose 1 upgrade out of 3 options. Upgrades range from increased movement speed to additional shots.

Controls:

• WASD to move.
• Hold down left-click to shoot.
• Press ESC to pause.