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010 Sep 2026
| Published | Title | Build |
|---|---|---|
| Melee Improvements -Phase 1 Phantoms Deep Playtest Update: Melee Improvements This build focuses primarily on improvements to the melee combat system. Melee System Several changes have been made to melee combat and enemy reactions: * Improved melee hit handling. * Improved blocking behavior. * Improved reactions when characters are struck. * Added additional support for enemies and other objects taking melee damage. * Gen… | — | |
| Damage Control Update Captains, This update adds new consequences for submarine damage. Your boat is no longer just taking numbers on a gauge. Damage now affects performance and survival. As the sub takes damage, its top speed is reduced. Heavy damage can also cause the boat to sink, forcing you to deal with the problem before the deep claims more than paint and rivets. To recover from flooding damage, players can n… | 24053155 | |
| Control Panels Operational In Phantoms Deep , the control sensitivity panel can be opened at any time during play by pressing Escape or the three-bars/menu button on Steam Deck . The available sensitivity range is intentionally very wide to support many mouse resolutions and player setups, so most players should expect to spend a few moments tuning their personal feel before diving too deep. Sensitivity settings are save… | 23898226 | |
| Phantoms Deep I have changed the name of the game from Unterseeboot to Phantoms Deep . While the original title reflected the submarine theme in a literal way, the new name better captures the larger vision for the game: a strange, atmospheric survival experience set in an unknown underwater world, where the greatest threats are not just mechanical or historical, but mysterious, alien, and half-glimpsed in t… | — | |
| Peace were declared Thank-you to the players that provided performance metrics in the hotbox. The boat has moved to more peaceful starting point. | — | |
| Hotboxed in Weed. In this build, you are placed next to the dock in Weed . Land based Turrets track your every move. Torpedo Planes are everywhere. Sharks are below. There a many changes in this build. Sounds should track properly whether on or off the boat. Physics interactions have fundamentally changed. However, the result should be unnoticeable. GPU instancing for plants is turned back on. If possible, pleas… | — | |
| You can die! Latest Updates: · The impact of injury and drowning has been added to the game. When you die, your inventory is dropped and you respawn in the boat. · Mind Weavers dwell in underwater structures. · Turret controls now include sensitivity adjustment. · Giant Carrion Flies can attack your ship. · Pistol rigging is solved and PVP is always on. · Custom skins available at the appearance station. | — | |
| Check your gig line! Latest Build Notes: Character Selection: You can change your visual appearance at the new appearance station. While looking at the station, use right and left arrows to change your appearance. Tip: hold the middle mouse button down for a view of your character. Hold and Scroll to zoom in and out. Once you select a character, you appearance is saved. Turrets: sensitivity settings are turret spec… | 23150848 | |
| Attention on deck! Forward gun is operational from the forward turret. Enemy bi-planes are patrolling around Op Island. | — | |
| Unterseeboot Playtestmajor Playtest Announcement Welcome to the first playtest. This build is a work in progress, developed by a solo developer, so expect rough edges and placeholder visuals. Please post all feedback directly in this thread. What to expect: · Use sonar to detect anomalies and investigate interesting sonar signatures. · Character and vehicle models are placeholders and do not represent final designs. The… | 22912848 |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 9 Sep 2026new | Wed | 21:03 | No patch notes · unannounced build | 25217496 | public | 2 | — |