Divinity: Original Sin 

Divinity: Original Sin is a turn-based combat game. You can explore many different environments, fight all kinds of fantastical creatures and discover tons of desirable items.

There are four distinct game modes that can be changed at any time. In the offline mode, no one can join your game. You can select this option if you prefer to journey alone. Other modes let you play with your friends, or strangers, depending on the settings.