Choose Underspace
Choose Underspace if you want an Early Access experience. On Steam, it's currently about 67% cheaper on the Steam Store. Underspace launched in 2024.
Underspace vs The Mystery Of The Moon
Underspace and The Mystery Of The Moon both land in Action, Indie, Adventure 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 Action, Indie, Adventure on Steam. The Mystery Of The Moon (2023) is 1 year older than Underspace (2024). Underspace is currently ~67% cheaper on Steam than The Mystery Of The Moon (19.99 USD vs. 59.99 USD). 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 The Mystery Of The Moon
Choose The Mystery Of The Moon if you want a Simulation experience. The Mystery Of The Moon launched in 2023.
Both Underspace and The Mystery Of The Moon sit in Action, Indie, and Adventure 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
 Underspace |  The Mystery Of The Moon | |
|---|---|---|
| Released | 2024 | 2023 |
| Genres | Action, Indie, Adventure, RPG, Early Access | Action, Indie, Adventure, Simulation, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 59.99 USD |
| Steam reviews | 83% positive (352 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Pastaspace Interactive | HUANG MEI ZHAO |
Side by side
- Both share Action, Indie, Adventure on Steam.
- The Mystery Of The Moon (2023) is 1 year older than Underspace (2024).
- Underspace is currently ~67% cheaper on Steam than The Mystery Of The Moon (19.99 USD vs. 59.99 USD).
- Underspace is Deck Playable on Steam Deck; The Mystery Of The Moon has no Deck rating yet.
Underspace vs The Mystery Of The Moon — FAQ
- Should I play Underspace or The Mystery Of The Moon first?
- If you want chronology, The Mystery Of The Moon (2023) came out before Underspace (2024). 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 Underspace and The Mystery Of The Moon similar?
- They overlap on Action, Indie, Adventure 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.
- Does Underspace run on Steam Deck?
- Yes — Underspace is rated Deck Playable by Valve. The Mystery Of The Moon doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.