If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Join Sergeant Kitt as he defends the kingdom of Felis against the Canine Empire. Utilize a variety of weapons to defeat waves of horrible hounds, marauding mutts, pillaging pooches and even some barking mad bosses. Upgrade your tower, recruit fellow soldiers and modify your weapons. Win the war for Felis and restore peace to kitt's kingdom!
W,A,S,D - Move.
1-7 - Weapon.
Mouse - Shoot.
R - Reload.