Choose Submarine War
Choose Submarine War if you want an Action, Strategy, and Adventure experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Submarine War launched in 2021.
Submarine War vs Harpoon
Submarine War and Harpoon 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. Submarine War (2021) is 1 year older than Harpoon (2022). Submarine War is Deck Verified on Steam Deck; Harpoon 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 Harpoon
Choose Harpoon if you want a Casual experience. Harpoon launched in 2022.
Both Submarine War and Harpoon 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
 Submarine War |  Harpoon | |
|---|---|---|
| Released | 2021 | 2022 |
| Genres | Action, Strategy, Indie, Adventure, Simulation | Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | Price unknown | 2.99 USD |
| Steam reviews | 84% positive (25 reviews) | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Sub518Game | Laush Dmitriy Sergeevich |
Side by side
- Both are Indie games on Steam.
- Submarine War (2021) is 1 year older than Harpoon (2022).
- Submarine War is Deck Verified on Steam Deck; Harpoon has no Deck rating yet.
Submarine War vs Harpoon — FAQ
- Should I play Submarine War or Harpoon first?
- If you want chronology, Submarine War (2021) came out before Harpoon (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 Submarine War and Harpoon 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.
- Does Submarine War run on Steam Deck?
- Yes — Submarine War is rated Deck Verified by Valve. Harpoon doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.