Choose Alchemist Adventure
Choose Alchemist Adventure if you want an Indie experience. Alchemist Adventure launched in 2021.
Alchemist Adventure vs Harmonic Catastrophe
Alchemist Adventure and Harmonic Catastrophe 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. Harmonic Catastrophe is free; Alchemist Adventure is paid (14.99 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 Harmonic Catastrophe
Choose Harmonic Catastrophe if you want a RPG and Free To Play game with Online Co-op. On Steam, it's free to play, so the barrier to trying it is zero.
Both Alchemist Adventure and Harmonic Catastrophe sit in Action and Adventure on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen 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
 Alchemist Adventure |  Harmonic Catastrophe | |
|---|---|---|
| Released | 2021 | — |
| Genres | Action, Indie, Adventure | Action, Adventure, RPG, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 14.99 USD | Free to play |
| Steam reviews | 65.6% positive (32 reviews) | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Bad Minions | Splinternova |
Side by side
- Both share Action, Adventure on Steam.
- Harmonic Catastrophe is free; Alchemist Adventure is paid (14.99 USD).
- Both support cooperative play.
Alchemist Adventure vs Harmonic Catastrophe — FAQ
- Are Alchemist Adventure and Harmonic Catastrophe 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.
- Do both Alchemist Adventure and Harmonic Catastrophe have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Alchemist Adventure ships Shared/Split Screen Co-op, 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. Alchemist Adventure is paid (14.99 USD).