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Mountaincore
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!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Mountaincore is the kind of colony game I can lose myself in because there are so many things happening at once. I build a settlement for dwarves in a fantasy wilderness, manage resources, organize production and try to keep everyone alive. I liked the feeling of starting with a…”
— a player, Steam review · 6 hrs played“Mountaincore is a dwarf colony simulator built around the satisfying process of turning a small group of settlers into a functioning settlement. Developed and published by Rocket Jump Technology, it combines construction, resource management, crafting, agriculture, trading,…”
— a player, Steam review · 14 hrs played“Its a bit glitchy in startup and quitting. Have to force quit every time because it just hangs. Has an error for saving the game fairly often and flashes a message on screen. From that point on it wont save and you need to reload the game. The last time this happened, it…”
— a player, Steam review · 33 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Mountaincore is now free to play and open source!
Mountaincore is now free to play on Steam, and also open-sourced under the permissive MIT license at Github ! Two years ago, we were working with a publisher who were on-board to fund and market what
King under the Mountain released as open-source, Mountaincore dev on hold
2023 was a tumultuous year for Mountaincore - we were made to keep the community in the dark by a publisher which ultimately backed out, scrambled to release the game according to the plan that had be
Mountaincore Dev Update 3 (June 2023)
Hi everyone, sorry for a slightly delayed update this month. In fact that’s the main theme of this month’s update unfortunately – the necessity of returning to full-time work has hit me much, much har
Early Access 1.2.5
- Adjusted chances of creating items from mining (stone is less likely, ore is more likely) and made this moddable - Deconstruction of furniture can now be cancelled - Skeletons will now eventually di
Early Access 1.2.4
- Fix for liquid hauling jobs not working i.e. filling of water barrel - Improvement to furniture that collects items such as kitchen worktop
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Indie, RPG, Simulation, Strategy, Free To Play |
| Player tags | Strategy · Simulation · Dwarves · Colony Sim · Management · Moddable · Base Building · Building · Crafting · City Builder · Sandbox · Medieval (Steam store community voting) |
| Features | Single-player · Steam Cloud · Family Sharing |
| Languages | English, German, Simplified Chinese, Danish, Spanish - Spain, Italian, French |
| Official site | https://github.com/rossturner/mountaincore |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 64-bit Processor: Intel Core2 Duo 2.4Ghz or Higher Memory: 8 GB RAM Graphics: Intel HD Graphics 3000 Storage: 1 GB available space