Geneforge 3

Geneforge 3 is an Indie fantasy role-playing adventure, the third chapter of the Geneforge Saga. In this fantasy adventure, you can explore strange, hostile lands, choose which side you will fight for, and, as always, make your own horde of completely obedient mutant monsters.
Geneforge 3 has a huge and open storyline. You can help one of several factions, each with its own goals. There are dozens of different endings. You can help the rebels, or fight them. Slay your enemies, or use stealth and diplomacy. When you finish the game, start over, choose a different side or tactics, and experience a completely different game.