Dwarf Fortress - Dwarf Fortress is a single-player fantasy game with two modes: fortress and adventure.
Neverwinter Nights Diamond - Neverwinter Nights Diamond is a Third-person Role-playing, Action-Adventure, Single and Multiplayer video game developed by BioWare and published by Infogrames.
Domina - Domina is an Action, Strategy, Combat, and Single-player Simulation created and published by DolphinBarn.
The Castle Doctrine - Massively multiplayer game of burglary and home defense.
RimWorld - RimWorld - A sci-fi colony sim driven by an intelligent AI storyteller.
Towns - The game brings a fresh new take on the city building/management genre by introducing many RPG features. In Towns you manage a settlement on top of an active dungeon.