Choose Kosmocean - The Endless Sea
Choose Kosmocean - The Endless Sea if it's the newer release (2026) and ships with the modern feature baseline. Kosmocean - The Endless Sea launched in 2026.
Kosmocean - The Endless Sea vs Dolphin Spirit: Ocean Mission
Kosmocean - The Endless Sea and Dolphin Spirit: Ocean Mission 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. Dolphin Spirit: Ocean Mission (2023) is 3 years older than Kosmocean - The Endless Sea (2026). Dolphin Spirit: Ocean Mission is Deck Verified on Steam Deck; Kosmocean - The Endless Sea 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 Dolphin Spirit: Ocean Mission
Choose Dolphin Spirit: Ocean Mission if you want a Simulation experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Dolphin Spirit: Ocean Mission launched in 2023.
Both Kosmocean - The Endless Sea and Dolphin Spirit: Ocean Mission 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
 Kosmocean - The Endless Sea |  Dolphin Spirit: Ocean Mission | |
|---|---|---|
| Released | 2026 | 2023 |
| Genres | Adventure | Adventure, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Verified |
| Price | Price unknown | 24.99 USD |
| Steam reviews | — | 91.7% positive (24 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Warp Zone Corporation | Magic Pockets |
Side by side
- Both are Adventure games on Steam.
- Dolphin Spirit: Ocean Mission (2023) is 3 years older than Kosmocean - The Endless Sea (2026).
- Dolphin Spirit: Ocean Mission is Deck Verified on Steam Deck; Kosmocean - The Endless Sea has no Deck rating yet.
Kosmocean - The Endless Sea vs Dolphin Spirit: Ocean Mission — FAQ
- Should I play Kosmocean - The Endless Sea or Dolphin Spirit: Ocean Mission first?
- If you want chronology, Dolphin Spirit: Ocean Mission (2023) came out before Kosmocean - The Endless Sea (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 Kosmocean - The Endless Sea and Dolphin Spirit: Ocean Mission 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.