Geneforge 1 - Mutagen

Geneforge 1: Mutagen is a remake of the original Geneforge. A lone apprentice Shaper is stranded on the Isle of Sucia surrounded by its Masters' creations long since abandoned, a dangerous secret at the far end of the island and a band of outsiders who seek to unlock that secret. Whether the Shaper joins the outsiders or opposes them is up to the player. (mobygames.com)