KeeperRL
A downloadable game for Windows, macOS, and Linux
... deep into the mountain and build dozens of rooms, corridors and traps. Your minions will train and produce weapons and armor. Prisoners will be tortured. You will research new technologies like alchemy, beast mutation and sorcery. The world is simulated on a very detailed level. Creatures use equipment and consumable items. There are dozens of special items, spells, attributes and special attacks. You can cut off heads and limbs and blind or poison your enemies.