Choose Underwater Life
Choose Underwater Life if you want an Adventure experience. Underwater Life launched in 2021.
Underwater Life vs Knockout Battle
Underwater Life and Knockout Battle both land in Indie, Simulation, Casual 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 Indie, Simulation, Casual on Steam. Underwater Life (2021) is 5 years older than Knockout Battle (2026). Knockout Battle has co-op; Underwater Life does not. 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 Knockout Battle
Choose Knockout Battle if you want an Action game with Online PvP, Online Co-op, and Shared/Split Screen Co-op. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Knockout Battle launched in 2026.
Both Underwater Life and Knockout Battle sit in Indie, Simulation, and Casual on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, 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
 Underwater Life |  Knockout Battle | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Indie, Adventure, Simulation, Casual | Action, Indie, Simulation, Casual |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 2 reviews | — |
| Multiplayer | Multi-player | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | Stas Paty9mkin | Alvin L. Dobric, Anton Ploetner |
Side by side
- Both share Indie, Simulation, Casual on Steam.
- Underwater Life (2021) is 5 years older than Knockout Battle (2026).
- Knockout Battle has co-op; Underwater Life does not.
Underwater Life vs Knockout Battle — FAQ
- Should I play Underwater Life or Knockout Battle first?
- If you want chronology, Underwater Life (2021) came out before Knockout Battle (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 Underwater Life and Knockout Battle similar?
- They overlap on Indie, Simulation, Casual 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.