Choose beta decay
Choose beta decay if you want an Action and Early Access experience.
beta decay vs Soulmask
beta decay and Soulmask both land in Indie, Adventure, Simulation 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, Simulation on Steam. Both support cooperative play. Soulmask is Deck Playable on Steam Deck; beta decay has no Deck rating yet. 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 Soulmask
Choose Soulmask if you want a Free To Play experience. 7,087 Steam reviews back the pick.
Both beta decay and Soulmask sit in Indie, Adventure, and Simulation 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
 beta decay |  Soulmask | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Indie, Adventure, Simulation, RPG, Early Access | Indie, Adventure, Simulation, RPG, Free To Play |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | Price unknown | 29.99 USD |
| Steam reviews | — | 76.8% positive (7,087 reviews) |
| Multiplayer | Multi-player, Online Co-op, LAN Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | Rotoscope Studios | CampFire Studio |
Side by side
- Both share Indie, Adventure, Simulation on Steam.
- Both support cooperative play.
- Soulmask is Deck Playable on Steam Deck; beta decay has no Deck rating yet.
beta decay vs Soulmask — FAQ
- Are beta decay and Soulmask similar?
- They overlap on Indie, Adventure, Simulation 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 beta decay and Soulmask have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: beta decay ships Online Co-op, LAN Co-op; Soulmask ships Online Co-op, LAN Co-op.