Torchlight II is an action RPG developed by Runic Games. Similar to the Diablo franchise where players take quests to defeat hordes of enemies for the never ending promise of more loot.
Grim Dawn is an old-school themed action RPG hack'n slash game with a dark story and gritty graphics. A return to form for the genre that should be familiar to anyone who has played Diablo 2.
Titan Quest is an action RPG set in Ancient Greece, Ancient Egypt and the Silk Road.
Diablo III is an action RPG that supports 1-4 players developed and published by Blizzard Entertainment.