Darkstone (Steam key/Region free).

http://store.steampowered.com/app/320320/
The Evil Draak has joined forces with Death and is destroying everything in his path! Explore huge keeps to find the 7 Legendary Crystals to put an end to his vile acts. It is highly unlikely that you´ll be able to survive in the hostile regions of this desolate land. Be warned, the fighting will be fierce, but the adventure will be epic!
Join the best warriors now and pool your skills to ensure that Good triumphs over Evil!
Key Features:
Replay as much as you like thanks to the 4 difficulty levels and the randomly generated dungeons, quests and items.
Play in cooperative mode with up to three of your friends for highly intense fights.
Choose from 8 characters from 4 different classes (warrior, wizard, thief and monk) with their own unique features, combat styles and defeat your fire breathing nemesis.
Upgrade your skills, choose among more than 30 sorts of weapons, 32 magic spells and progress through an epic adventure in 32 different environments.