

Underwater DuO
Woodpecker · August 12, 2026 · Action Roguelike, Bullet Heaven, Top-Down Shooter, Bullet Hell, Arena Shooter
Buy Underwater DuO from Steam at $3.99 — the cheapest of 1 store we compare.
Where to buy Underwater DuO — official stores
Underwater DuO price by region
Underwater DuO costs $2.69 in Georgia (USD), £3.59 in the United Kingdom, $3.99 in the United States, €4.15 in Europe (EUR), CA$4.59 in Canada, A$5.75 in Australia, NZ$6.39 in New Zealand, R$15.75 in Brazil and zł16.75 in Poland right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| $2.69 | $2.69 | — | 1 | |
| £3.59 | £3.59 | — | 1 | |
| $3.99 | $3.99 | — | 1 | |
| €4.15 | €4.15 | — | 1 | |
| CA$4.59 | CA$4.59 | — | 1 | |
| A$5.75 | A$5.75 | — | 1 | |
| NZ$6.39 | NZ$6.39 | — | 1 | |
| R$15.75 | R$15.75 | — | 1 | |
| zł16.75 | zł16.75 | — | 1 |
Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.
Screenshots
About Underwater DuO
Control the turtle with your left hand and smash everything in your path! Control the jellyfish with your right hand and blast your enemies! How long can you survive?
Underwater Duo is a charming top-down action shooter where two inseparable aquatic partners venture into an unknown sea. Facing waves of hostile underwater creatures, they must rely on exceptional coordination and strength to conquer these perilous depths!Fight with both hands!!The turtle and the jellyfish each have completely different controls and abilities. Only by coordinating both hands can you survive the relentless assaults of underwater creatures.Merge as one!!When they collide, the jellyfish can ride the turtle, combining their strengths, covering each other’s weaknesses, and unleashing even greater power.Grow stronger!!Amid the surging waves, you must constantly choose how to evolve, becoming a unique and powerful duo to face increasingly fierce enemies and challenges.Will you rely on your own superb control, or team up with a perfectly in-sync friend?These perilous depths await your conquest!Underwater DuO — game info
- Platforms
- Windows
- Player modes
- Single-player, Co-op, Split screen
- Controller
- Full controller support
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Underwater DuO is a charming roguelike with cute jellyfish and turtle characters that delivers satisfying combat despite limited enemy variety and build depth. Players praise its well-designed enemies, engaging positioning mechanics, and the fun of powering up to destroy groups, though some feel the camera visibility could be clearer and wish for more long-term progression and build options. It's recommended as a good game for casual runs rather than deep, extended play sessions.
I really like the cute jellyfish and turtle characters and the overall spirit of the game so I bought it mostly for that, but it's a pretty fun game too! Maybe there isn't as much depth, longevity, and build variety to it as some may want from a game of this type; however, it's charming, well-made, and good for doing a few runs now and then. The amount of enemy types is relatively small but each one has a strong design and role which creates a variety of situations. They require awareness of which types are in play, which ones to prioritize, and how to position yourself to not get overwhelmed. The camera angle and visibility of some enemies can make things get a little hard to read sometimes, but it's not too bad. It's satisfying to get all powered up and destroy large groups of enemies — especially with the turtle's ramming attack. There's 30 standard waves with an occasional boss fight. You get to select an upgrade from a random pool of choices after each wave, with most upgrades having several levels of increasing power and additional effects. Once you clear wave 30 you can continue the run into the slightly stressful but exciting endless wave mode where you no longer get addi…1 found this helpful
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