Single-player games like King under the Mountain
Below are 9 single-player Steam games similar to King under the Mountain, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like King under the Mountain page.
Ranked picks
- 1
Dwarf Fortress
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 2
Captain of Industry
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
- 3
Judgment: Apocalypse Survival Simulation
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 4
Ostriv
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities.
- 5
Hammerting
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Manage a Dwarven mining colony in the unexplored mountains of Mara. As conflict rages in the Overworld, you will need to craft, explore and fight as you provide the allies of your choice with the finest weapons and gear to assist them in the battle for glory.
- 6
RimWorld
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 7
Against the Storm
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Simulation with King under the Mountain.
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
- 8
Frostpunk
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Simulation with King under the Mountain.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
- 9
Mountaincore
Single-player alternative to King under the Mountain — playable solo, no multiplayer required. Shares Strategy and Indie with King under the Mountain.
Settle an untamed wilderness with the might of Dwarven engineering and thoughtful planning! Design and build your colony towards fame and fortune in a deeply-simulated fantasy world. Chill out in peaceful mode with a bustling settlement, or fight for survival against monsters and invasions!