IMHO.

Onyx vs Opaline

Onyx and Opaline 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. Both released in 2017. Opaline scores higher on Steam reviews (63.9% 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.

Choose Opaline

Choose Opaline if it matches what drew you to this matchup. Opaline launched in 2017.

Both Onyx and Opaline 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

Onyx vs Opaline — Steam metadata comparison
Onyx — Steam game coverOnyxOpaline — Steam game coverOpaline
Released20172017
GenresIndie, Adventure, RPG, CasualIndie, Adventure, RPG, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price9.99 USD9.99 USD
Steam reviews60.9% positive (23 reviews)63.9% positive (36 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersValkyria GamesWarfare Studios

Side by side

Onyx vs Opaline — FAQ

Are Onyx and Opaline 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.
Onyx vs Opaline — Verdict (2026) · imho.run