
Early Access
Yes, last updated 2 days ago, with about 3 updates per month.
Last checked Oct 22, 2026
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?
The newest build is on the publictest branch, more than 36 hours after the public branch. Steam's own Early Access notice looks at the public branch and can miss that beta activity.
Oct 19, 2026 · Patch note
Hotfix v0.9.12 (opens in new tab)
Fixed an issue where boats were lost due to route adjustments.
Oct 19, 2026 · Build
publictest branch build 26037804
Latest build time Steam reports for the publictest branch.
Oct 16, 2026 · Patch note
Update v0.9.10 | Public Test Branch (opens in new tab)
New Feature: Companion System Three new companions have arrived in Sunkenland, located at Big Bucket Fortress, Radio Island, and Zion Atoll! Rescue and recruit them to join your adventures and help with various tasks. Send your companions out to scavenge, chop wood, mine resources, and repair your base. You can also assign them to base defense or bring them…
Oct 6, 2026 · Patch note
Hotfix v0.8.93 (opens in new tab)
Bug Fixes Fixed an issue where the name of a ship-mounted Sleeping Bag was not saved correctly. Fixed an issue where player names could sometimes display incorrectly in multiplayer. Fixed an issue where sharks did not attack players. Fixed an issue where the yellow toolbox at Rolling Stone Fortress was embedded in the terrain. Fixed an incorrect grouping di…
Oct 6, 2026 · Build
Public branch build 25746701
Latest build time Steam reports for the public branch.
Sunkenland last posted a patch note 2 days ago (Oct 19, 2026: Hotfix v0.9.12 (opens in new tab)).
It got about 3 updates per month over the last year and is consistent (71/100). 7 of the last 12 months had at least one update day. Gaps between updates are fairly even.
No. It shipped a build or patch note within the last 90 days and updates steadily.
Sunkenland: 31 updates in the last 12 months, avg every 10 days. The chart shows the last 12 months, including months with zero patch notes. Counts are dated patch and update posts, not branch builds.
| Month | Updates |
|---|---|
| November 2025 | 0 |
| December 2025 | 4 |
| January 2026 | 0 |
| February 2026 | 0 |
| March 2026 | 0 |
| April 2026 | 0 |
| May 2026 | 1 |
| June 2026 | 3 |
| July 2026 | 9 |
| August 2026 | 6 |
| September 2026 | 5 |
| October 2026 | 3 |