Your mission in this cool defense game is to build your defenses up to protect your trophy from the attackers. Paper tanks and paper weapons are still dangerous for this fortress. Reinforce your base with guns and expand it with 3 different types of walls to survive all 50 waves of enemy attacks. Each wall have different purpose. You can upgrade your walls to level 4. Use LEFT and RIGHT ARROW KEYS to pan the camera. Use YOUR MOUSE to play the game. Good luck!