This is a simple falling sand simulation

Made with the Usagi engine

Controls

• space: To pause or unpause the simulation
• Left/Right or A/D: Select material
• Mouse Scroll: Change brush size
• LMB: Place material
• RMB: Eraser

Materials:

• sand: Falls down, and forms piles
• water: it behaves similarly to sand, but it can flow horizontally
• concrete: It acts as an inpenetrable wall
• wood: Same as concrete, but it can be dissolved in acid
• acid: Flows like water, but it can dissolve sand and wood

Running the game

Download Usagi and then you can run the program like so: usagi run Or you can download and run the exported binaries directly