Choose Soul Axiom
Choose Soul Axiom if it matches what drew you to this matchup. Soul Axiom launched in 2016.
Soul Axiom vs ONTOS
Soul Axiom and ONTOS both land in Indie, 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 Indie, Adventure on Steam. Soul Axiom (2016) is 11 years older than ONTOS (2027). Soul Axiom is Deck Playable on Steam Deck; ONTOS 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 ONTOS
Choose ONTOS if you want an Action game with DualShock Controller Support, HDR available, and Stereo Sound. On Steam, it's the newer release (2027) and ships with the modern feature baseline. ONTOS launched in 2027.
Both Soul Axiom and ONTOS sit in Indie 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
 Soul Axiom |  ONTOS | |
|---|---|---|
| Released | 2016 | 2027 |
| Genres | Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 1.99 USD | Price unknown |
| Steam reviews | 72.1% positive (86 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Wales Interactive | Frictional Games |
Side by side
- Both share Indie, Adventure on Steam.
- Soul Axiom (2016) is 11 years older than ONTOS (2027).
- Soul Axiom is Deck Playable on Steam Deck; ONTOS has no Deck rating yet.
Soul Axiom vs ONTOS — FAQ
- Should I play Soul Axiom or ONTOS first?
- If you want chronology, Soul Axiom (2016) came out before ONTOS (2027). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Soul Axiom and ONTOS similar?
- They overlap on Indie, 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.
- Does Soul Axiom run on Steam Deck?
- Yes — Soul Axiom is rated Deck Playable by Valve. ONTOS doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.