Game
App 4269100
What'Sub
What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory! Loot the ocean for treasure, fulfill requests for the odd denizens of the Subyard, upgrade your submarine, and above all, dive deeper into The Well.
Price
-15%$6.79
$7.99
Reviews
71%
49 · Mostly Positive
Playing now
0
sampled 12h ago
24h peak
0
all-time seen 0
Followers
—
Steam community hub
Owners (est.)
~1.5K
735 – 2.4K
YouTube activity
0
videos · 30 d14
creators198K
views · 1 yTwitch activity
0
avg viewers · 30 d16
hours watched · 30 d1
streamers · 30 dProduct info
from Steam's PICS · read 1d ago- Change number
- 40,879,527 · seen 1d ago
- Public build
- 26,593,032 · Nov 11, 2026 (2d ago)
- Operating systems
- windows
- Architecture
- 64-bit
- Install size
- 2.4 GB · 2.2 GB download
- Install folder
WhatSub- Controller support
- Full
- Metacritic
- —
- Homepage
- whatsubgame.com/
- Release state
- released
- Community
- hub · stats
Steam Deck
UnsupportedTested May 29, 2026 on build 23,154,392
- ✕Unsupported graphics performance
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 26,593,032 | Nov 11, 2026 · 2d ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 26,593,032 | public | Nov 11, 2026 15:30 | 2d ago |
| 26,486,505 | public | Nov 6, 2026 14:33 | 3d ago |
Depots · 3
content of the public branchLaunch options · 1
| Executable | OS | Description |
|---|---|---|
Sub.exe |
windows |
Languages · 1
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | — | — |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1493826 | What'Sub | Store or CD key | -15%$6.79 |
Bundles · 0
all bundlesNot part of any bundle we know.
Change numbers
all changes#40,879,527 · 1d ago#40,878,850 · 1d ago#40,875,173 · 1d ago#40,874,366 · 1d ago#40,873,299 · 1d ago#40,872,752 · 1d ago#40,871,784 · 1d ago#40,871,129 · 1d ago#40,870,554 · 1d ago#40,841,890 · 2d ago#40,838,303 · 2d ago#40,838,188 · 2d ago#40,835,396 · 2d ago#40,815,578 · 2d ago#40,810,448 · 3d ago#40,810,055 · 3d ago#40,807,971 · 3d ago#40,806,639 · 3d ago#40,804,724 · 3d ago#40,803,510 · 3d ago#40,801,846 · 3d ago#40,800,780 · 3d ago#40,800,066 · 3d ago#40,796,195 · 3d ago#40,791,607 · 3d ago
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
| When | Note | Build | Update size |
|---|---|---|---|
| Nov 11, 2026 | Hotfix 11-11-26 Here's another round of small fixes, aiming to address commonly-encountered issues.Fish can now also be sold at the exchange, and their sell prices now make senseFixed an issue where a client's harpoon could get stuck on fish passing byYou now only take one damage from crashing into stuff while doing the tutorialBuffed the crank a bitThe quest requesting fragile crates now accepts any type of frag |
26,593,032 | +14.1 MB |
| Nov 6, 2026 | Hotfix 2026-11-06 Here's the first round of small fixes - there will be more in the next few weeks, but these were the most urgent :DBe sure to let us know on discord or steam discussions if you encounter any bugs or issues (or just to let us know what you think!) Balancing:Made the docking zone smaller to avoid edge cases with redocking and make it less likely to be accidentalRebalanced some submarine variables, i |
26,486,505 | 2.2 GB total |
| Aug 31, 2026 | Hotfix 2026-08-31 - Fix a crash that could happen when reeling with the harpoon |
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| Aug 14, 2026 | Hotfix 2026-08-14 (part 2) This small hotfix should address the graphics-related crashes Help us by letting us know on discord if you experience crashes! |
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| Aug 14, 2026 | Hotfixes 2026-08-14 A few too many bugs sneaked with the last update, so here's a hotfix addressing the most game-breaking and annoying issues. Let us know if you run into any other issues!Fixed an issue...... where currency would not update on the UI when selling/buying things... where enemies could see through walls... where the big submarine spawned with holes... that prevented big and small submarines from taking |
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| Jun 5, 2026 | Changelog 2026-06-05 Improved throwing. More FOV settings. Various sound improvements. Harpoon made a bit faster. Various fixes for the harpoon. Coconut held animation improved. Small adjustment to loading text. Fixed placement of mega chests. Various other placement improvements. Fixed an issue where pufferfish spawned too close. Fixed issue with ouside mission area text. Increased mass of scrap. Fix issue where item |
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| Jun 1, 2026 | Changelog, 01/06 Replaced the particle fish with nicer fish (more to come soon!) Changed some logic with item placement to prevent clipping Gave Zip a proper idle anim and restored her to her intended height Bolts can once again be applied to scrap plates Made the crank more effective in situations where there is no fuel and the speed lever is set to max in multiplayer Updated the tooltip on various treasure with |
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| May 27, 2026 | Hotfixes, 27/05 Fixed the bug that caused clients' submarine to despawn when playing with the big submarineFixed the issue where players would despawn if inside a submarine when it is changedAdded a main menuAdded discord link to the pause menuMade the center of currents more visibleMade the character more grounded while emotingFixed green bolt ghosts on clientsFixed moray eel replication issuesMade harpoons unab |
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| May 18, 2026 | First Big Update Time for the first big update! We hope you're enjoying the game so far (and if you didn't, maybe this update will help!). Remember to let us know what you think on discord, or by using the in-game feedback button :D Additions: Added pufferfish to the shallows Awoke the sleeping eel in the Kelp Forest Added new mechanic - Oxygen! If you run out you'll go unconscious, so be careful. Re-enabled press |
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| May 14, 2026 | Day 1 Hotfixes Here's our list of day-1 fixes! Fixed some wrong visuals on the interaction UIRemoved ghost bolts that were not supposed to be there yetSaved the players from drowning to non-existent ghost waterTemporarily disabled pressure mechanics so the submarine doesn't instantly implode (it'll be back when it's fixed!)Fixed a bug where the player would teleport back to the tutorial beach upon reaching the s |
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| Mar 2, 2026 | Patch notes 2026-02-02 Thank you for the support as always!Patch notes- NEW WRENCH: THE CLAW!!!- E is now enter and exit for consistency- Fixed looping hit animation- Mission out of bounds now show red boundary- Reverse turn when moving back- Improved tool switching on 2, 3 and mouse wheel- Fixed some lobby world cracks- Adjusted treasure values- Beans can now be sold for 5, removed some beans from lobby- Fix some lobby |
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| Mar 1, 2026 | Patch notes 2026-03-01 Thank you for the support as always!Patch notes:- Interactions made easier (most still require no held item, tools are OK)- Improved first person animations- Added new carry animation for the captains chest (more to come in the future)- Added clavicle to held item blending- Side engine color is now animated when damaged- Pistons will now blink red when broken- Fix host losing stamina while loading |
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| Feb 28, 2026 | Patch notes 2026-02-28 Thank you for the support as always!- Improved character holding animations- Improved item placement again (still needs a bit of work)- Improved camera shake depending on collision size- Fixed camera shake not working on clients- Fixed fail pickup sound not working on client- Fixed some things floating away on clients- Fixed lightning on some items- Fixed color of some itemsRemember you can post b |
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