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1,911Mar 2026
| Published | Title | Build |
|---|---|---|
| DrainSim EA 0.3.1.12 - Construction Site Balancing Update [] Improved Construction Site balance and progression [] Adjusted water inflow, drainage layout and water behavior [] Improved terrain shaping, slopes and pit layouts to better guide water flow [] Improved visibility of drainage progress in key areas [] Increased bucket capacity by 50% [] Made climbing and vaulting out of water easier [] Fixed water height savegames [] Fixed voxel savegames on… | 23600505 | |
| Hotfix DrainSim EA 0.3.1.07 Fixed voxel savegames on Convenience Store and Parking Garage · Fixed missing mud on Convenience Store I know the new level is a hard one, it would be better for the games development if you keep that feedback to the discussion hub or the discord instead of reviewing the game negatively instantly out of frustration. I will see how people adjust to the new digging mechanic over the next few days… | — | |
| 0.3.1.06 hotfix DrainSim EA 0.3.1.06 · Fixed cable height detection | — | |
| Muddy Mess Updatemajor DrainSim EA 0.3.1.05 - Muddy Mess Update Finally giving the bucket a proper purpose. This update introduces the new digging and placing mechanic. Hold more buckets in your toolbar to fill them with dirt while digging, then place the dirt again by right-clicking. Redirect water however you want and experiment with different solutions. This update also adds the new Construction Site level, built… | 23550903 | |
| NEW LEVEL: Construction Site [UNSTABLE] DrainSim EA 0.3.0.00 NEW LEVEL: Construction Site Fitting to the new digging mechanic, this level features deeper water levels and more difficult flooding situations than previous missions. The level is still in a rough state, so feedback is very appreciated! · Added new level – Construction Site · Improved performance for water measure zones · Fixed infinite dirt climbing · Fixed dirt columns… | 23268678 | |
| Dig & Place Update Now on [Unstable Branch] DrainSim EA 0.2.3.00 · Added dig and place mechanic · Buckets can now be filled with dirt · Adjusted all existing levels to support the new digging mechanic · Separate options for time challenge and leaderboards · Improved navmesh performance on Farm · Fixed tool thumbnails sometimes not appearing in toolbar · Removed toolbar flicker when changing tool slots · Fixed magnet fishing rope sometime… | 23151206 | |
| Leaderboard Cheat prevention DrainSim EA 0.2.2.05 · Updated leaderboard logic and improved cheat prevention · Removed default trophy from garage Leaderboards now include basic anti-cheat measures. Invalid or impossible scores may be removed, and accounts may lose access to leaderboard submissions. | — | |
| Welcome to Downtown Stationmajor DrainSim EA 0.2.0.02 – Welcome to Downtown Station · Added new level - Downtown Station · Included multiple gameplay, collision, water flow and performance adjustments for the new level · Adjusted hose placement grid positions · Improved shader pre-compile logic for smoother gameplay I know these patch notes look short, but most of the new level changes have been summarized since a lot of itera… | — | |
| stability patch for amd DrainSim EA 0.1.6.11 · Improved performance on Midtown Market · Adjusted loading logic to reduce AMD crashes (may cause temporary water instability on first load - reloading fixes the issue) · Fixed water clearing for vehicles to prevent standing waves · Fixed voice settings not affecting audio · Industrial: improved water collision, especially in service alley | — | |
| Big Demo Update – Tutorial improvements, Voice Over & Major Improvements This is only a condensed list. This one’s for the demo. Steam doesn’t give me a separate place to post demo updates, so it’s going here: · Major performance improvements and reduced VRAM usage · Improved water simulation stability and fixed multiple infinite water source bugs · Improved tool interaction logic and pickup behavior · Holding mouse button now continuously uses tools (shovel, rake,… | — | |
| Hotfix DrainSim EA 0.1.6.10 · Fixed extending hose from placed pump ignoring tier · Fixed replaying a mission not resetting start time | — | |
| Where My Hose At? This update focuses on hose interaction, placement, and usability improvements. DrainSim EA 0.1.5.05 · Short interaction on inflatables now drags out a new hose · Short interaction on pumps now drags out a new hose · Adjusted barn water collision on Farm · Fixed inflatable placement when placed inside bushes · Fixed inflatables hovering after loading a savegame when placed too close to a wall ·… | — | |
| Quality of Life + Performance Update 0.1.5.0 DrainSim EA 0.1.5.0 · Pump can now connect to placed inflatables and vice versa · Made rating system future-proof for upcoming updates · Fixed some Church actors blocking water · Fixed rating sometimes not awarding 5 stars correctly · Fixed leaks sometimes teleporting the player to 0 0 0 · Fixed double interaction issue · Holding mouse button now continuously shovels, rakes, or squeegees · Impr… | — | |
| Huge Quality of Life update EA 0.1.4 Fixed bucket animations sometimes stopping too early · Removed slight left-right movement headbob · Fixed strange vacuum bug when holding it to the side · Disabled vacuum tool collision · Improved interaction detection tolerance · Fixed pump spawning water sources when turning it on while holding a hose · Removed extreme forward-backward character sway when quickly changing running direction ·… | — | |
| DrainSim EA 0.1.3 Removed slight headbob while digging · Removed slight headbob when stopping and accelerating · Removed slight headbob during interactions and shoveling · Lowered Farm barn brightness · Fixed Church door blocking water · Changed savegame logic for diggable mud and water · Lowered initial water height in Forest and reduced incoming water from the hill · Always Sunny setting now works on all level… | — | |
| Demo Build Cleanup Hi everyone, I’ve pushed a small update to the DrainSim demo . There’s no new content in this update. I simply removed some unnecessary files and cleaned up a few things in the demo build. The demo is not updated to the current game version yet , so the gameplay experience remains exactly the same as before. Thanks to everyone who has been trying the demo and supporting DrainSim. | — | |
| DrainSim EA 0.1.2 Restricted Reset All Tools and Save From Usage in tutorial level · Reset All Tools no longer removes tutorial tools · Removed floating ball from tutorial · Tutorial: added bigger water blocker for basement water · Fixed inflatable pickup logic · Fixed strange character movement jitter · Disabled shop for magnet fishing levels for now · Changed tutorial text from "fix hydrant" to "fix pipe" · Up… | — | |
| Pre Early Access Demo Update With Early Access finally launching in just a few days on March 3rd 🥳 , I’ve pushed a final demo update focused on polish, performance and overall feel in the demo levels: Tutorial Midtown Market This update doesn’t add more content, but it cleans up several things that were confusing, clunky, or rough around the edges. What’s improved Tutorial & onboarding • The tutorial flow has been fixed a… | — | |
| 💧 DrainSim Demo – “Generator Logic” Hotfix Hey everyone! Another quick patch focused on fixing translation issues, refining generator logic, and improving clarity around pump operation. ⚙️ Fixes & Improvements · Fixed an issue with German translations not displaying correctly. · Added Brazilian Portuguese to available translations. · The generator now only activates if the surrounding water level is truly higher than the generator itsel… | — | |
| 💧 DrainSim Demo – “Refined Flow” Hotfix Hey everyone! This small follow-up patch fixes some unexpected behavior from the last demo update and cleans up tool interactions and tutorial details. 🧰 Fixes & Improvements · Fixed an issue where the vacuum could suck up water from meters above the surface. It now only works when properly submerged. · Fixed an infinite water bug that could occur when picking up an inflatable barrier while it… | — | |
| 💧 DrainSim Demo Update – “Refined Flow” Patch Hey everyone! This update focuses on smoother interactions, movement polish, and overall performance improvements, plus new community translations and a few long-requested quality-of-life tweaks. 🌍 Performance & Optimization · Improved VRAM usage and overall performance. · Further performance optimizations for the Midtown Market level. · Reduced RAM usage during gameplay. 🧰 Gameplay & Tools ·… | — | |
| 🚧 DrainSim Demo Update – “Time to Chill” Patch Hey everyone! A lot of you asked for more transparency about what’s changing between updates — so from now on, every patch will come with clear notes like this one 👇 This update focuses on smoother performance, smarter water behavior, and more freedom in how you play. ⏱️ Time Challenge Is Now Optional · Time Challenge still exists — but it’s no longer the default mode. · Many players felt rush… | — |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 6 Sep 2026 | Sun | 00:46 | No patch notes · unannounced build | 25147145 | unstable | 1 | — |
| 4 Sep 2026 | Fri | 17:45 | No patch notes · unannounced build | 25129544 | unstable | 1 | — |
| 1 Sep 2026 | Tue | 19:56 | No patch notes · unannounced build | 25065686 | unstable | 1 | — |
| 6 Jun 2026 | Sat | 14:02 | DrainSim EA 0.3.1.12 - Construction Site Balancing Update | 23600505 | public | 1 | — |