Choose Under The Island
Choose Under The Island if it's Steam Deck Verified, so handheld play works out of the box. Under The Island launched in 2026.
Under The Island vs Jack Bonecroft 4
Under The Island and Jack Bonecroft 4 both land in Action, 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 Action, Indie, Adventure on Steam. Both released in 2026. Jack Bonecroft 4 is currently ~35% cheaper on Steam than Under The Island (12.99 USD vs. 19.99 USD). 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 Jack Bonecroft 4
Choose Jack Bonecroft 4 if you want the Save Anytime side of the pairing. On Steam, it's currently about 35% cheaper on the Steam Store. Jack Bonecroft 4 launched in 2026.
Both Under The Island and Jack Bonecroft 4 sit in Action, 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
 Under The Island |  Jack Bonecroft 4 | |
|---|---|---|
| Released | 2026 | 2026 |
| Genres | Action, Indie, Adventure, RPG | Action, Indie, Adventure, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 19.99 USD | 12.99 USD |
| Steam reviews | 97% positive (202 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Slime King Games | Galactic Tenebris Company |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Both released in 2026.
- Jack Bonecroft 4 is currently ~35% cheaper on Steam than Under The Island (12.99 USD vs. 19.99 USD).
- Under The Island is Deck Verified on Steam Deck; Jack Bonecroft 4 has no Deck rating yet.
Under The Island vs Jack Bonecroft 4 — FAQ
- Are Under The Island and Jack Bonecroft 4 similar?
- They overlap on Action, 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 Under The Island run on Steam Deck?
- Yes — Under The Island is rated Deck Verified by Valve. Jack Bonecroft 4 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.