6. Grim Dawn
Copies Sold: 554,000
Metacritic Rating: 83
Grim Dawn is an action role-playing game which was made using the same engine of Titan Quest. Its gameplay is similar to that of Diablo or Path to Exile, and is set in a dark fictional world based on the Victorian Era. Humanity has lost against otherworldly forces, and it’s up to the player to explore, rebuild, and make the tough choices. The game is made with character development in mind, meaning there are numerous aspects to upgrade as one gets further in the game. The game proved to be a success both in sales and reviews easily making the 10 most successful coolest new indie games of 2016.