IMHO.

Dungeons of Sundaria vs Harmonic Catastrophe

Dungeons of Sundaria and Harmonic Catastrophe both land in Action, 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 Action, Adventure, RPG on Steam. Harmonic Catastrophe is free; Dungeons of Sundaria is paid (9.99 USD). 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 Dungeons of Sundaria

Choose Dungeons of Sundaria if you want an Indie experience. 1,568 Steam reviews back the pick.

Choose Harmonic Catastrophe

Choose Harmonic Catastrophe if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.

Both Dungeons of Sundaria and Harmonic Catastrophe sit in Action, Adventure, and RPG on Steam and both list Multi-player, Shared/Split Screen, 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

Dungeons of Sundaria vs Harmonic Catastrophe — Steam metadata comparison
Dungeons of Sundaria — Steam game coverDungeons of SundariaHarmonic Catastrophe — Steam game coverHarmonic Catastrophe
Released2023
GenresAction, Indie, Adventure, RPGAction, Adventure, RPG, Free To Play
PlatformsWindowsWindows
Steam DeckDeck PlayableUnrated
Price9.99 USDFree to play
Steam reviews75.4% positive (1,568 reviews)
MultiplayerMulti-player, Online Co-op, Shared/Split Screen Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersIndustry GamesSplinternova

Side by side

Dungeons of Sundaria vs Harmonic Catastrophe — FAQ

Are Dungeons of Sundaria and Harmonic Catastrophe similar?
They overlap on Action, 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.
Do both Dungeons of Sundaria and Harmonic Catastrophe have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Dungeons of Sundaria ships Online Co-op, Shared/Split Screen Co-op; Harmonic Catastrophe ships Online Co-op, Shared/Split Screen Co-op.
Is Harmonic Catastrophe free?
Yes — Harmonic Catastrophe is a free-to-play Steam title. Dungeons of Sundaria is paid (9.99 USD).
Does Dungeons of Sundaria run on Steam Deck?
Yes — Dungeons of Sundaria is rated Deck Playable by Valve. Harmonic Catastrophe doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.