Choose Atomic Heart
Choose Atomic Heart if you want a RPG game with Adjustable Text Size, Color Alternatives, and Camera Comfort. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 12,972 Steam reviews back the pick.
Atomic Heart vs HELIOBIOTIC
Atomic Heart and HELIOBIOTIC 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. HELIOBIOTIC is free; Atomic Heart is paid (59.99 USD). Atomic Heart is Deck Verified on Steam Deck; HELIOBIOTIC 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 HELIOBIOTIC
Choose HELIOBIOTIC if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.
Both Atomic Heart and HELIOBIOTIC sit in Action and Adventure 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
 Atomic Heart |  HELIOBIOTIC | |
|---|---|---|
| Released | 2023 | — |
| Genres | Action, Adventure, RPG | Action, Adventure, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 59.99 USD | Free to play |
| Steam reviews | 78.1% positive (12,972 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Mundfish | TEMPO BREAK GAMES, Ivy Dudzik, Marlowe Nash, ViticArts, Jason Rangel-Martinez, Ashton Gallistel, EchoLane, Marcus Ochoa, Daniel Fotovat, Jason Cho, Jocelyn R. Yu |
Side by side
- Both share Action, Adventure on Steam.
- HELIOBIOTIC is free; Atomic Heart is paid (59.99 USD).
- Atomic Heart is Deck Verified on Steam Deck; HELIOBIOTIC has no Deck rating yet.
Atomic Heart vs HELIOBIOTIC — FAQ
- Are Atomic Heart and HELIOBIOTIC 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.
- Is HELIOBIOTIC free?
- Yes — HELIOBIOTIC is a free-to-play Steam title. Atomic Heart is paid (59.99 USD).
- Does Atomic Heart run on Steam Deck?
- Yes — Atomic Heart is rated Deck Verified by Valve. HELIOBIOTIC doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.