What'Sub
Playing now
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All-time peak
Playing now
0−1 vs. yesterday
All-time peak
9 Sep 2026
| Published | Kind | Announcement | Build |
|---|---|---|---|
| Game update | 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 fro… | 24710527 | |
| In-game event | Solo sub, swimming, and more! Hey! It's been a while! We hope you had a good summer. We've enjoyed a short break, but we've also been working hard to get this update ready for you :D There's a good mix of new stuff, old stuff, fixes, and performance improvements! We hope you enjoy. As always, let us know if you have issues, comments, or feedback! We're happy to help out on our discord server :) Additions · Added the small s… | 24618262 | |
| In-game event | First Update in a While! Hey everyone! It's been a while since our last game update. We ended up delaying it twice to add extra stability and fixes, and now it's gotten much bigger than we intended! We're still working hard on the next major update, but for now we're soft-launching the new biome, the caves. So without further ado, the patch notes: Big additions · Added the cave level. It's not entirely done yet - we ha… | 23930505 | |
| Community | What'Sub Roadmap! Hi everyone! It's now been a whole month (and a day) since launch. We're super thankful for everyone who have played the game in the meantime (all 1300 of you!). Since launch we've released 5 patches addressing stability and bugs, and 1 content update. Getting to this point took a bit longer than we wanted it to, but now, we're finally in a state where we can start to look ahead. With that said… | — | |
| Game update | 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 sc… | — | |
| Game update | 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 t… | — | |
| Game update | Hotfixes, 27/05 Fixed the bug that caused clients' submarine to despawn when playing with the big submarine · Fixed the issue where players would despawn if inside a submarine when it is changed · Added a main menu · Added discord link to the pause menu · Made the center of currents more visible · Made the character more grounded while emoting · Fixed green bolt ghosts on clients · Fixed moray eel replication… | 23436424 | |
| In-game event | It's time for the big submarine update! It's time for the big submarine update! We've designed this thing for 4 people, but theoretically there's a much higher limit on lobby sizes, so.. go wild! This update also features bug fixes for most of the commonly encountered issues. We have, however, encountered a new issue where the client sometimes doesn't load the submarine on level transition, causing them to fall into infinite void. We… | 23367238 | |
| Game update | 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-en… | — | |
| Game update | Day 1 Hotfixes Here's our list of day-1 fixes! · Fixed some wrong visuals on the interaction UI · Removed ghost bolts that were not supposed to be there yet · Saved the players from drowning to non-existent ghost water · Temporarily 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 up… | — | |
| Game update | 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 -… | — | |
| Game update | 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 wh… | — | |
| Game update | 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 items Remember yo… | — | |
| Game update | Patch notes 2026-02-27 Thank you for the support as always! · Doubled dive reward and penality · Improved item placement · Fixed an issue where a client would start out of submarine · Adjusted hull holes · Steering require no held item · Hidden water ferry hole cover and turn off engine · Added icon to periscope · Shop requires no held item · Coffee machine made consistent with repair · Added mission table sign · Add… | — | |
| Game update | Patch notes 2026-02-26 Here are the changes for today, thank you for the support as always! :) Patch notes: - Added a "place item" prompt when holding an item (non-tool) - Added icon to the ferryman like the hub mission table has - Added icon to sub exit ladder - Added icon to water pump - Removed dot when emoting - Changed the button press instructions to look a bit nicer - Added an "engine failure" graphic when you… | — | |
| Game update | Patch notes 2026-02-25 Thank you for all the amazing feedback we have gotten! Patch notes: - Fixed being able to move while unconscious - Tool remains the correct size after emote - Updated cosmetic icons - Changed pricing of items - Removed extra wrenches from shop and added hammer - Made wrench animation much more responsive - Added a popup that shows up on the first launch (max once per day) - Fix a client sync is… | — | |
| Game update | Patch notes 2026-02-24 Patch notes: · You can now store more treasure on the sub · You are now slow in water · Improved underwater visuals · Made submarine health bar icons bigger (temp fix) · Out of mission area coundown reduced to 10 · Added unconscious instructions · Bigger collider when unconcious · Increased bolt sizes · Fixed collisions on multiple things in submarine · Fix engine failure smoke · Fixed a treasu… | — |
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.