bou bou Game update 1mo ago

Powder simulator

A classic falling-sand simulation. Drop powder, pour water, spark fire, and watch elements interact in a pixelated sandbox.

favorite373favorites
thumb_up302upvotes
thumb_down17downvotes
hard_drive 35 MB folder 154 files build Engine v28
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About This Package

A classic falling-sand simulation. Drop powder, pour water, spark fire, and watch elements interact in a pixelated sandbox. Sand sinks through water, lava turns rivers to steam, acid dissolves everything in its path, and one spark can set off a chain of gunpowder explosions. Draw, erase, experiment. There are no goals, just physics and chaos.

newspaper Latest News

July update
article Latest Update
Bou
Bou schedule Jul 21, 2026

July update

New reactive elements, customized Steam player model, retro sound engine, thermal heat map overlay, and artist quality of life update.

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Update : Virus, player and slow motion!
Bou
Bou schedule May 20, 2026

Update : Virus, player and slow motion!

New elements, player control, and quality of life update.

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UI and Workshop
Bou
Bou schedule Apr 14, 2026

UI and Workshop

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Media (8)

Powder simulator - Thumbnail 2 Powder simulator - Thumbnail 3 Powder simulator - Screenshot 4 Powder simulator - Screenshot 5 Powder simulator - Screenshot 6 Powder simulator - Screenshot 7 Powder simulator - Screenshot 8
2,204
Total Users
2,866
Total Sessions
21.3 days
Total Playtime

Global Statistics

1.6M
continuous_time_played
3.2B
pixel_placed
60
publish_save
Positive Negative
info
How this works: This chart tracks all anonymous thumbs up/down votes, not just the written reviews below. Playtime is permanently recorded at the exact moment the user casts their vote. Data is exactly as returned by the Facepunch API.
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18
18
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3
8
11
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30
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31
8m - 16m
1
1
2
16m - 32m
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32m - 1.1h
24
1
25
1.1h - 2.1h
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17
2.1h - 4.3h
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2
17
4.3h - 8.5h
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1
14
8.5h - 17.1h
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10
17.1h - 34.1h
2
2
4
Package ID: bou.powder
Created: 2026-04-05 02:17 UTC
Updated: 2026-07-22 22:17 UTC
Type: game
Public: Yes
Version: 324217
files: 154
Size: 35.2 MB
Engine Version: 28
Asset Version ID: 324217
Version Created: 2026-07-22 22:17 UTC
Hash: 1784758687
Manifest: Open manifest
Multiplayer: Unknown
Versus: Unknown
Co-op: Unknown
Max Players: 64
Min Players: 1
Tick Rate: 50
Game Network Type: Multiplayer
Map Select: Unrestricted
Map List: facepunch.flatgrass
Rank Type: None
Per Map Ranking: false
Leaderboard Type: None
Cs Proj Name:
Startup Scene: ui.scene
Launch Mode: Normal
Resources: *
Game Settings:
Code Package References:
new_releases Latest Update Jul 22, 2026
feature:shortcuts
July update Jul 22, 2026
Added
  • Added a new heavy reactive Uranium element that generates fission heat, boils water, and radiates organic matter.
  • Added 8-bit sound synthesis engine with dynamic audio effects for liquids, heat, and explosions.
  • Added a visual thermal Heat Map overlay showing real-time temperature gradients
  • Added a SELECT bounding box tool and standard clipboard shortcuts
  • Added a 40-depth Undo and Redo stack (Ctrl+Z, Ctrl+Y) to roll back drawing strokes and canvas edits.
Improved
  • Improved the 3D player overlay by automatically applying your Steam user's custom clothing, hair, and accessories.
  • Improved the 2D falling particle pixel colors by dynamically matching them to your Steam character's avatar appearance.
Fixed
  • Fixed player rotation offsets and tumbling by disabling rigidbody physics on death and resetting transforms on respawn.
May update May 20, 2026
Added
  • Hiding Community Saves
  • Player
  • Slow/Fast Motion
  • Virus
UI and Workshop Apr 14, 2026
Added
  • Better UI
  • Workshop
  • More elements to play with
Improved
  • Birds
  • Textures and shaders