This is an online version of the hilarious Google play game but now your kingdom is invaded by monsters. Make your warrior cats stronger, build your biggest robot to defeat frontier enemies. An easy to play tower defense game, just one touch, but with a lot of fun, you will definitely get caught up in those epic battles. CatRobot Idle TD Battle,tower defense game,robot building,idle game,monster defense,mobile game,online game,warrior cats,strategy game,click and shoot,kingdom defense,free to play,action game,monster battles,robot army,empire building,frontier enemies,idle tower defense,cat game,archer,PC controls,mobile controls