Dwarf Fortress - Dwarf Fortress is a single-player fantasy game with two modes: fortress and adventure.
Rust Game - Rust’s world is harsh. The environment is not kind. Bears and wolves will chase and kill you. Falling from a height will kill you. Being exposed to radiation for an extended period will kill you. Starving will kill you. Being cold will kill you.
RimWorld - RimWorld - A sci-fi colony sim driven by an intelligent AI storyteller.
Rising World - Rising World offers Open World environment and mixes the elements of Sandbox, Survival, Role-playing, and First-person Perspective Elements.
Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
Novus Inceptio - Novus Inceptio is a Single-player, Action-Adventure, Role-playing and Survival Simulation created and published by McMagic Productions.