Choose Moonchild
Choose Moonchild if it matches what drew you to this matchup. Moonchild launched in 2016.
Moonchild vs Onyx
Moonchild and Onyx both land in Indie, Adventure, RPG 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 Indie, Adventure, RPG on Steam. Moonchild (2016) is 1 year older than Onyx (2017). Moonchild scores higher on Steam reviews (66% positive) than Onyx (60.9% 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 Onyx
Choose Onyx if it matches what drew you to this matchup. Onyx launched in 2017.
Both Moonchild and Onyx sit in Indie, Adventure, and RPG 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
 Moonchild |  Onyx | |
|---|---|---|
| Released | 2016 | 2017 |
| Genres | Indie, Adventure, RPG, Casual | Indie, Adventure, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 9.99 USD |
| Steam reviews | 66% positive (53 reviews) | 60.9% positive (23 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Aldorlea Games | Valkyria Games |
Side by side
- Both share Indie, Adventure, RPG on Steam.
- Moonchild (2016) is 1 year older than Onyx (2017).
- Moonchild scores higher on Steam reviews (66% positive) than Onyx (60.9% positive).
- Onyx is currently ~0% cheaper on Steam than Moonchild (9.99 USD vs. 9.99 USD).
Moonchild vs Onyx — FAQ
- Should I play Moonchild or Onyx first?
- If you want chronology, Moonchild (2016) came out before Onyx (2017). 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 Moonchild and Onyx similar?
- They overlap on Indie, Adventure, RPG 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.