Choose IMMORTALITY
Choose IMMORTALITY if you want an Indie, Simulation, and Casual experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 1,118 Steam reviews back the pick.
IMMORTALITY vs UNDERGROUNDED
IMMORTALITY and UNDERGROUNDED both land in 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 are Adventure games on Steam. IMMORTALITY (2022) is 4 years older than UNDERGROUNDED (2026). UNDERGROUNDED scores higher on Steam reviews (100% positive) than IMMORTALITY (84.2% 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 UNDERGROUNDED
Choose UNDERGROUNDED if you want the DualShock Controller Support and Gamepad Recommended side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. UNDERGROUNDED launched in 2026.
Both IMMORTALITY and UNDERGROUNDED sit in 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
 IMMORTALITY |  UNDERGROUNDED | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Indie, Adventure, Simulation, Casual | Adventure |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 19.99 USD | 19.99 USD |
| Steam reviews | 84.2% positive (1,118 reviews) | 100% positive (15 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Sam Barlow, Half Mermaid | Game Studio Inc. |
Side by side
- Both are Adventure games on Steam.
- IMMORTALITY (2022) is 4 years older than UNDERGROUNDED (2026).
- UNDERGROUNDED scores higher on Steam reviews (100% positive) than IMMORTALITY (84.2% positive).
- UNDERGROUNDED is currently ~0% cheaper on Steam than IMMORTALITY (19.99 USD vs. 19.99 USD).
- IMMORTALITY is Deck Verified on Steam Deck; UNDERGROUNDED has no Deck rating yet.
IMMORTALITY vs UNDERGROUNDED — FAQ
- Should I play IMMORTALITY or UNDERGROUNDED first?
- If you want chronology, IMMORTALITY (2022) came out before UNDERGROUNDED (2026). 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 IMMORTALITY and UNDERGROUNDED similar?
- They overlap on 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 IMMORTALITY run on Steam Deck?
- Yes — IMMORTALITY is rated Deck Verified by Valve. UNDERGROUNDED doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.