Choose King under the Mountain
Choose King under the Mountain if you want an Early Access experience. King under the Mountain launched in 2021.
King under the Mountain vs Mountaincore
King under the Mountain and Mountaincore both land in Strategy, Indie, Simulation on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Strategy, Indie, Simulation on Steam. King under the Mountain (2021) is 4 years older than Mountaincore (2025). Mountaincore scores higher on Steam reviews (72.4% positive) than King under the Mountain (62.7% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Mountaincore
Choose Mountaincore if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Mountaincore launched in 2025.
Both King under the Mountain and Mountaincore sit in Strategy, Indie, and Simulation on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 King under the Mountain |  Mountaincore | |
|---|---|---|
| Released | 2021 | 2025 |
| Genres | Strategy, Indie, Simulation, RPG, Early Access | Strategy, Indie, Simulation, RPG, Free To Play |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Unsupported | Deck Verified |
| Price | Price unknown | Free to play |
| Steam reviews | 62.7% positive (67 reviews) | 72.4% positive (127 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Rocket Jump Technology | Rocket Jump Technology |
Side by side
- Both share Strategy, Indie, Simulation on Steam.
- King under the Mountain (2021) is 4 years older than Mountaincore (2025).
- Mountaincore scores higher on Steam reviews (72.4% positive) than King under the Mountain (62.7% positive).
- Mountaincore is free; King under the Mountain is paid (Price unknown).
- Steam Deck: King under the Mountain is Deck Unsupported, Mountaincore is Deck Verified.
King under the Mountain vs Mountaincore — FAQ
- Should I play King under the Mountain or Mountaincore first?
- If you want chronology, King under the Mountain (2021) came out before Mountaincore (2025). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are King under the Mountain and Mountaincore similar?
- They overlap on Strategy, Indie, Simulation on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is Mountaincore free?
- Yes — Mountaincore is a free-to-play Steam title. King under the Mountain is paid (Price unknown).