The original Dungeon Defenders was and still is a pretty awesome game. Despite being the developers' very first major title, it managed to nail a nearly perfect balance between face-smashing difficulty and care-free fun. Dungeons Defenders 2 tried to further improved upon the idea, but

If you're looking for something that's a little bit out of the ordinary, you might want to check out the newly released SolSeraph. It's essentially a hybrid between a side-scrolling action game focused on precision combat, and a top-down tower defense game where you have to build up your forces