In Undermaster, a delightfully dreary online simulation game, you become the villain.
Build a monster dungeon. Populate it with imps, trolls, vampires, warlocks, goblins and more. Manage your dungeon in this free-to-play game. Play Undermaster now!
- A free-to-play online game
- Manage your own monster dungeon
- Cool online gaming features
- Are you villainous enough?