The Elder Scrolls (Series)!

S.T.A.L.K.E.R.: Shadow of Chernobyl is a first-person shooter video game by the Ukrainian developer GSC Game World, published in 2007. It features an alternate reality theme, where a second nuclear disaster occurs at the Chernobyl Nuclear Power Plant Exclusion Zone in the near future and causes strange changes in the area around it. The game has a non-linear storyline and features gameplay elements such as trading and two-way communication with NPCs. The game includes elements of role-playing video game and business simulation games. »

Kingdoms of Amalur features "5 distinct regions... 4 playable races, and 3 class trees with 22 abilities per tree." The four playable races are the Almain (Civilized Humans), the Dokkalfar (Dark Elves), the Ljosalfar (Light Elves), and the Varani (Nomadic Humans). The player starts off as a "blank slate", but can afterwards choose a class among the three available (can respec once per Fateweaver).

Open source Elderscrolls 3: Morrowind engine re-implementation.

The game tells the story of a world destroyed by a conflict between robots and their human masters. Play as Tux in a quest to save the world from the murderous rebel bots who know no mercy. You get to choose which path you wish to follow, and freedom of choice is everywhere in the game.

The Dark Mod is a FREE, first-person stealth game inspired by the original Thief series by Looking Glass Studios. In it you play a hooded figure slinking through the shadows of a gothic steampunk city, hunting priceless valuables while avoiding the swords and arrows of those hired to stop you.

An evil wizard has enchanted the magical Beasts of Avantia - only a true hero can free the Beasts and stop them from destroying the land. Are you the hero Avantia has been waiting for?