Screenshots
Watch trailer on Steam ↗DrainSim
CodePeas · Published by CodePeas · Official site ↗
Very Positive — 92% positive (2,677 reviews) · 2 achievements
Last updated 28 Sept 2026
Dive into DrainSim and seize control of the floods! Clear the city's submerged streets, with a huge range of different tools from rakes to submersible pumps. Embrace the satisfaction of restoring the water flow. Become the city's hero, one drain at a time.
£12.99
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Price history
Indie, Simulation, Early Access, Casual · 2026 · More £5 - £15 games
Take charge of flooding streets as you play through DrainSim, an indie simulation where you use various tools to restore water flow. Experience the satisfaction of becoming the city's hero in this early access game from CodePeas.
About this game
Day-Night cycle and realistic water physics!
Plan your Mission!
For each mission, you'll receive crucial intel in advance and must carefully plan the tools you want to bring. Consider the time of day, type of terrain, and distance from your generator to your electric tools. Working late into the evening? Don't forget floodlights! Need to drain multiple areas simultaneously? Bring extra pumps and generators! Is there digable Ground? Better bring a Shovel!
With each mission success, you'll earn recognition and unlock new tools and upgrades to boost your drainage capabilities.
Loads of different tools and unique Levels
Armed with an assortment of drain-clearing tools and equipment, from your trusty rake to water pumps, you'll tackle every challenge with precision and skill. From casual players to seasoned pros, DrainSim offers an engaging experience for all who seek the satisfaction of restoring order to the city's drainage system. So dive in, roll up your sleeves, and let DrainSim flush away your concerns one drain at a time.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 or later (64-bit)
- Processor: Intel i5 7600 or AMD Ryzen 3600
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 1060 6GB, or AMD RX590 (no support for onboard cards)
- DirectX: Version 12
- Storage: 10 GB available space
- Sound Card: onboard
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 11
- Processor: Intel i7 12700 or AMD Ryzen 7 5800X
- Memory: 16 GB RAM
- Graphics: RTX 3070 or radeon rx 6700xt
- DirectX: Version 12
- Storage: 10 GB available space
- Sound Card: lol
Supported Languages
*languages with full audio support
Latest news
AnnouncementsOfficial
200,000 Copies Sold!
DrainSim has sold over 200,000 copies! Thank you all so much for your continued support! The Level Editor is coming to the main branch soon!Read full article on Community Announcements (codePeas)AnnouncementsOfficial
[Unstable Branch] DrainSim EA 0.4.0.00 - Level Editor Alpha
After a long wait, the Level Editor is finally here! You can find the Level Editor in the main menu. Create your own levels, test them directly in DrainSim and upload them to the Steam Workshop for others to play. The Level Editor is still in an early state, so expect some bugs and rough edges. Future updates to the editor may also break existing levels. If you want to get started, I put together a guide explaining the editor and how to create and upload your own levels: Level Editor Guide Patch notes:Added Level EditorFixed hose and cable collisionsFixed tutorial progression issuesRead full article on Community Announcements (codePeas)AnnouncementsOfficial
[Unstable Branch] DrainSim Level Editor (Alpha) - Getting Started
How to play other peoples creations:subscribe to a level you like on the workshopstart your game and go to your garageclick on the icon on the top left click on workshop How to use the Editor: Water simulation settings and minimap capture. next to that shows the water height of the currently selected measure volumeAdd or remove mesh collision from the water simulation.Voxel dirt editing tools.Content Browser. Add meshes from here.Outliner. Shows all actors and meshes in the level.Details panel. Edit the selected actor here.Upload your level or update an existing Workshop submission. After a long wait, the Level Editor is finally here. You can find the Level Editor in the main menu.The Level Editor is still in an early development state, so there may still be some bugs. Future updates may also break existing map submissions.When you open the editor, the essential DrainSim actors and tools are already placed in the level as examples. More content will be added in future updates, including more pre-made landscapes and backgrounds. You can select these through the BP_EditorStreamLevelLoader actor.The water simulation also has some limits. It uses a top-down projection, which means that scenarios with multiple floors or tunnels do not work yet. For now, you will have to trick the simulation a little to create a convincing result. The Water Hider tool under 2 lets you exclude meshes from the water simulation. You can also use the WaterBlocker actor to block water where needed. The water hider visualizer is currently broken caused by unreal engine 5.6, as soon as I update the whole game to 5.8 it should be fixed. In the screenshot you can see a bridge with two water blockers on the side, the bridge itself has the tag FluxHide which hides it from water and can be added by activating the "-" icon in section 2 by clicking on the mesh.Before uploading your map to the Workshop, use the tools under 1 to save the pre-simulated water state and capture the minimap.You can upload a ...Read full article on Community Announcements (codePeas)Patch NotesOfficial
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 Convenience Store and Parking Garage Fixed missing mud on Convenience Store Fixed cable height detection Construction Site: removed terrain spikes and visual issues Various Construction Site gameplay, collision and drainage improvementsRead full article on Community Announcements (codePeas)Patch NotesOfficial
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 and balance the new level from there.Read full article on Community Announcements (codePeas)
