IMHO.

Curve Fever Pro vs ONYX2D

Curve Fever Pro and ONYX2D both land in Action, Indie 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 on Steam. Curve Fever Pro is free; ONYX2D is paid (Price unknown). Both support cooperative play. 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 Curve Fever Pro

Choose Curve Fever Pro if you want a Massively Multiplayer, Free To Play, and Casual game with Shared/Split Screen, Shared/Split Screen PvP, and Shared/Split Screen Co-op. On Steam, it's free to play, so the barrier to trying it is zero. Curve Fever Pro launched in 2026.

Choose ONYX2D

Choose ONYX2D if you want a RPG experience.

Both Curve Fever Pro and ONYX2D sit in Action and Indie on Steam and both list Multi-player, Online PvP, and Online Co-op, 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

Curve Fever Pro vs ONYX2D — Steam metadata comparison
Curve Fever Pro — Steam game coverCurve Fever ProONYX2D — Steam game coverONYX2D
Released2026—
GenresAction, Indie, Massively Multiplayer, Free To Play, CasualAction, Indie, RPG
PlatformsWindows, macOS, LinuxWindows
Steam DeckUnratedUnrated
PriceFree to playPrice unknown
Steam reviews——
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersJos GamesSindruid

Side by side

Curve Fever Pro vs ONYX2D — FAQ

Are Curve Fever Pro and ONYX2D similar?
They overlap on Action, Indie 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.
Do both Curve Fever Pro and ONYX2D have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Curve Fever Pro ships Online Co-op, Shared/Split Screen Co-op; ONYX2D ships Online Co-op, Co-op.
Is Curve Fever Pro free?
Yes — Curve Fever Pro is a free-to-play Steam title. ONYX2D is paid (Price unknown).
Curve Fever Pro vs ONYX2D — Verdict (2026) · imho.run