Dungeon Defenders II

Dungeon Defenders II is a free-to-play game belonging to the Action Tower Defense genre, a kind of strategy with typically RPG elements such as loots, levels and pet. The main goal of the players is to repel enemy waves and defend Eternia's precious crystals, creating a team of heroes and getting into action alone or with 4 other people in co-op mode. Participating to the battles you can get loots as relics, armor, and deadly weapons to equip, creating unique builds for your heroes.