“Refined Flow” Patch
DrainSim (demo) » Devlog











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
- Pump interaction can now be picked up from any direction.
- Added different input hints for each tool.
- Added tool hints explaining how to use specific tools.
- Introduced a new tool overlay effect to spot tools underwater faster.
- You now need to drain inflatable barriers before picking them up.
- Added a vacuum water-dumping mechanic allowing you to manually release collected water.
- Fixed pump hose lag when picking it up.
- Fixed vacuum bones spazzing out.
- Improved pump indicator light resolution for better visibility.
- Adjusted interaction logic:
- Tap Pick Up briefly to activate equipment.
- Hold Pick Up to actually pick it up.
👣 Player Movement & Feel
- Running stops immediately when you release the key.
- Reduced running drift for tighter control.
- Made movement in water feel more natural.
- Removed headbob completely for smoother camera motion.
📚 UI, Tutorials & Accessibility
- Added Hungarian and Czech community translations — huge thanks to everyone who helped!
- Increased tutorial text size for better readability.
- Updated tutorial steps to match the new interaction logic.
- Added option to turn tooltips off in the settings menu.
- Fixed time calculation on the end screen.
- Adjusted Level 2’s perfect rating time to 15 minutes.
- Added credits to the end screen.
💡 Visuals & World
- Increased street light brightness.
- Added a white outline to the player indicator on the minimap.
- Adjusted mud regrow rate — Midtown Market now regrows slower.
- Fixed café ceiling collision.
- Improved introduction lighting on the player’s face during the toilet pan-up scene.
That’s all for this update!
Thanks again for all the feedback, testing, and community translations — every bit helps keep DrainSim flowing smoothly 💙
Files
drainsim-win.zip 2.6 GB
Version 16 2 days ago
drainsim-win.zip 2.6 GB
Version 12 6 days ago
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DrainSim (demo)
Fight floods with insanely good water physics and save a city, one drain at a time.
| Status | Released |
| Author | codePeas |
| Genre | Simulation, Puzzle |
| Tags | 3D, First-Person, Physics, Relaxing, Singleplayer, Unreal Engine, water, Working Simulator |
| Languages | German, English, Japanese |
| Accessibility | Color-blind friendly, Subtitles, Configurable controls, Interactive tutorial |
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