Choose Within the Cosmos
Choose Within the Cosmos if you want an Indie and RPG experience. On Steam, it's currently about 51% cheaper on the Steam Store. Within the Cosmos launched in 2025.
Within the Cosmos vs Moon Mystery
Within the Cosmos and Moon Mystery both land in Action, 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, Adventure on Steam. Moon Mystery (2024) is 1 year older than Within the Cosmos (2025). Moon Mystery scores higher on Steam reviews (64.2% positive) than Within the Cosmos (40.5% 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 Moon Mystery
Choose Moon Mystery if you want a Casual experience. Moon Mystery launched in 2024.
Both Within the Cosmos and Moon Mystery sit in Action 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
 Within the Cosmos |  Moon Mystery | |
|---|---|---|
| Released | 2025 | 2024 |
| Genres | Action, Indie, Adventure, RPG | Action, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 9.89 USD | 19.99 USD |
| Steam reviews | 40.5% positive (37 reviews) | 64.2% positive (349 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | debdev | Cosmoscouts |
Side by side
- Both share Action, Adventure on Steam.
- Moon Mystery (2024) is 1 year older than Within the Cosmos (2025).
- Moon Mystery scores higher on Steam reviews (64.2% positive) than Within the Cosmos (40.5% positive).
- Within the Cosmos is currently ~51% cheaper on Steam than Moon Mystery (9.89 USD vs. 19.99 USD).
- Moon Mystery is Deck Playable on Steam Deck; Within the Cosmos has no Deck rating yet.
Within the Cosmos vs Moon Mystery — FAQ
- Should I play Within the Cosmos or Moon Mystery first?
- If you want chronology, Moon Mystery (2024) came out before Within the Cosmos (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 Within the Cosmos and Moon Mystery similar?
- They overlap on Action, 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.