Choose Penguin Gladiators
Choose Penguin Gladiators if it's a focused single-player run rather than a multiplayer commitment. Penguin Gladiators launched in 2026.
Penguin Gladiators vs Underwater DuO
Penguin Gladiators and Underwater DuO both land in Action, Indie, 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 Action, Indie, Casual on Steam. Both released in 2026. Underwater DuO has co-op; Penguin Gladiators 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 Underwater DuO
Choose Underwater DuO if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. Underwater DuO launched in 2026.
Both Penguin Gladiators and Underwater DuO sit in Action, Indie, and Casual on Steam and both list Steam Leaderboards, 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
 Penguin Gladiators |  Underwater DuO | |
|---|---|---|
| Released | 2026 | 2026 |
| Genres | Action, Indie, Casual | Action, Indie, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Single-player only | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Fishbump Games | Woodpecker |
Side by side
- Both share Action, Indie, Casual on Steam.
- Both released in 2026.
- Underwater DuO has co-op; Penguin Gladiators does not.
Penguin Gladiators vs Underwater DuO — FAQ
- Are Penguin Gladiators and Underwater DuO similar?
- They overlap on Action, Indie, 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.
- Does Penguin Gladiators have multiplayer like Underwater DuO?
- No. Underwater DuO supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Penguin Gladiators is listed as single-player only.