What'Sub

What'Sub

Khaos Games · May 14, 2026 · Multiplayer, Procedural Generation, Adventure, Online Co-Op, Co-op

Buy What'Sub from Steam at $7.99 — the cheapest of 1 store we compare.

PC
Mixed68% · 47 📈 Making a comeback 80%1playing now
Best price
$7.99
lowest tracked $6.39
Steam Buy at Steam

Prices last checked

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Where to buy What'Sub — official stores

Steam
Steam
Standard Edition · Steam
$7.99
Buy

What'Sub price by region

What'Sub costs £4.05 in the United Kingdom, €4.54 in Europe (EUR), $7.99 in the United States, $7.99 in Georgia (USD), CA$9.65 in Canada, A$11.50 in Australia, NZ$12.49 in New Zealand, zł25.10 in Poland and R$29.99 in Brazil right now.

Cheapest What'Sub offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £4.05 −43% £7.15 £4.05 2
Europe (EUR) €4.54 −43% €7.99 €4.54 2
United Statesyour region $7.99 $7.99 — 1
Georgia (USD) $7.99 $7.99 — 1
Canada CA$9.65 CA$9.65 — 1
Australia A$11.50 A$11.50 — 1
New Zealand NZ$12.49 NZ$12.49 — 1
Poland zł25.10 −27% zł34.49 zł25.10 2
Brazil R$29.99 R$29.99 — 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 What'Sub

What'Sub is a 1–4 player co-op extraction diver where you crew a rust-bucket submarine, descend into the Bermuda Triangle, and decide how deep your greed actually goes.

Descend into "The Well"

Navigate caverns, wrecks, and treacherous terrain. Visibility is limited. Hazards appear late. The deeper you go, the more long-lost treasure waits and the harder it gets to leave.

Risk It or Lose It

Make it back to the surface with your haul and keep everything: loot, upgrades, progress. Drown down there and lose everything you brought in. Every dive is a negotiation between what you stand to gain and what you're willing to gamble.

Keep the Sub Running

The sub breaks down constantly, at the worst possible moment, for the least forgivable reason. Hull breaches, a stalled engine; the list of things that can go wrong is longer than the list of things working correctly. Patch it, smack it, restart it, and keep moving. It's not much, but it's all you've got.

The Ocean Never Repeats Itself

Procedurally generated levels mean no two dives are the same. There's always something new to discover and always a reason to go back down.

Strange Faces at the Bottom

The Well has its own residents. Meet the characters that call the deep home, buy cosmetics, and pry secrets about the Well out of the ones willing to talk.

FeaturesOnline co-op for up to four playersExtraction mechanics with full loot loss on deathInterdependent submarine systems and crew rolesCharacters, cosmetics, and a customizable submarineProcedurally generated ocean levels

What'Sub — game info

Platforms
Windows
Steam Deck
Unsupported
Player modes
Single-player, Online co-op
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jun 27, 2026
REDUCED BUILD SIZE BY 70%. Call this dev team the optimisers. My early impressions are that this team is quickly working towards improvements and adding fun silly things into the game. I've only seen the difference since last patch but small things like improvement to the ui are noticed and greatly appreciated. Even small game balancing to come closer to a specific vision that the devs wish to achieve gives me great faith in the team. The fans in the base to move around? Brilliant. When fishing (and combat with those pesky crabs) gets implemented, we will truly be gaming. Future looks bright.
2 found this helpful
Recommended Jun 27, 2026
Can easily get out of bounds in the hub. 10/10 even after they patched my old path, theres always new ones. Otherwise, this is a game with promise. The gameplay loop is similar to very early Sea of Thieves, just under the water, so its a formula thats already proven to be good. And heres a decent Indie game attempt at solving it. Would recommend for people with 1-2 friends that can play.
1 found this helpful
Recommended Jul 19, 2026
Had a great time exploring the oceans with my friend. Couldn't hook those pearls for my life! Also, the Hub-world was so cozy! Loving these NPC designs.
Recommended Jul 10, 2026
Seeing how quickly the devs are fixing things is think the game has a lot of potential. Was quite fun, will be playing more of it!
Recommended Jul 9, 2026
Fun simple little game.
Recommended Jun 20, 2026
Very fun friend-slop game! Met the devs at Gamebox and won a copy of the game. Really looking forward to seeing it "fully" finished, it's already very pretty

Community reviews

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