Announcement
v1.1.3v1.1.3 Hotfix
-Fixed suit color issues with 8 player lobbies. -Fixed an issue that prevented you from getting the Basilisk audio log.
Steam
Subterror
Also known as Subterror, s, steam:2846060
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Last update
21 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- April 2025
- v1.1.2 Hotfix-Fixed an issue preventing additional players from joining in 8 player lobbies.
- v1.1.1 Hotfix-Fixed a freeze/crash that would happen on Boreal.
- 8 Player Lobbies Using a new option when creating a lobby, you can now allow up to 8 players to join your monster-feeding adventures! To do so, the host should check the "8 player lobby (experimental)" checkbox when sta…Security
- January 2025
- v1.0.2 Hotfix-Fixed issue where you couldn't load old saves -Fixed various places where the player could get stuck in geometry.
- v1.0.1 Hotfix-Fixed an issue with the Failed Experiment -Fixed an issue where once a player left a lobby, no one else (including that player) could join/re-join.
- Hey Everyone! It's release time! Thank you for the fantastic feedback throughout this year. We couldn't have gotten here without you! Our team is very excited to show everyone what we've been working on! Click here to v…Patch notes
- Perdition | New Map Welcome to Perdition! This variant of the lava-themed maps has you exploring the inside of a volcano. You can find this map for sale at Cory's map shop. Failed Experiment | New Enemy Introducing the…Store
- December 2024
- v0.4.8 Hotfix-Attempted fix for the crash that would happen when you undock the sub.
- Subterror will launch into 1.0, January 3rd!Hello Everyone, We just wanted to announce that the 1.0 patch for Subterror will be released on January 3rd. We are currently working hard on the update, which includes but is not limited to: New enemies A New map New e…
- v0.4.7 Hotfix-Fixed issues with the interaction system -Fixed issues with the chair
- v0.4.6 Hotfix-Fixed an issue where spectating other players would be very laggy.
Gallery
In-game media
Achievements
Community progression
Top picks from 19 Steam achievements, sorted by player unlock rates.
- Catering 101Survive your first Feast Day.46.4%
- Under PressureActivate a pressure plate.46.3%
- SubmorseUnlock the Storage Room in your submarine.37.6%
- Swish.-..//.//-...//.-.//---//-. // .---//.-//--//.//…16.7%
- Slop SlurpHeal yourself with slop.15.1%
- HackermanDisable a Turret.15.1%