Choose Inner
Choose Inner if it's free to play, so the barrier to trying it is zero. Inner launched in 2019.
Inner vs Immortal Mantis
Inner and Immortal Mantis both land in Indie 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 are Indie games on Steam. Inner (2019) is 3 years older than Immortal Mantis (2022). Immortal Mantis scores higher on Steam reviews (88.5% positive) than Inner (76.5% positive). 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 Immortal Mantis
Choose Immortal Mantis if you want a RPG and Casual experience. On Steam, it's the newer release (2022) and ships with the modern feature baseline. Immortal Mantis launched in 2022.
Both Inner and Immortal Mantis sit in Indie 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
 Inner |  Immortal Mantis | |
|---|---|---|
| Released | 2019 | 2022 |
| Genres | Indie | Indie, RPG, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | Free to play | 1.99 USD |
| Steam reviews | 76.5% positive (17 reviews) | 88.5% positive (61 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | DarkStone Digital | Bitlife |
Side by side
- Both are Indie games on Steam.
- Inner (2019) is 3 years older than Immortal Mantis (2022).
- Immortal Mantis scores higher on Steam reviews (88.5% positive) than Inner (76.5% positive).
- Inner is free; Immortal Mantis is paid (1.99 USD).
- Inner is Deck Playable on Steam Deck; Immortal Mantis has no Deck rating yet.
Inner vs Immortal Mantis — FAQ
- Should I play Inner or Immortal Mantis first?
- If you want chronology, Inner (2019) came out before Immortal Mantis (2022). 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 Inner and Immortal Mantis similar?
- They overlap on Indie 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 Inner free?
- Yes — Inner is a free-to-play Steam title. Immortal Mantis is paid (1.99 USD).
- Does Inner run on Steam Deck?
- Yes — Inner is rated Deck Playable by Valve. Immortal Mantis doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.