Welcome to castle defenders! Defend the castle with cannons every ten level is a boss. Here are the bosses. Flying ship 200 hp level 10, goo monster 400 hp level 20, flying castle 1000 hp level 30, monstrosity 10000 hp level 40, final boss. Killer machine. 100000000 hp. At level 50. Enemies. Flying drones and land drones level 1. Goo minion level 11. Flying mini castle's level 21. mini monsters level 31. Machines and mechs level 41. Cannons varients. Regular, explosive, laser, plasma. Make coin