A relaxing particle physics sandbox
Goal: Paint elements onto the canvas and watch them interact with realistic physics. Sand piles, water flows, fire burns, plants grow, and lava melts its way down.
Elements: Sand falls and piles · Water flows and spreads · Stone is solid · Wood burns · Fire rises and ignites · Oil floats on water and burns · Smoke drifts up · Steam rises and condenses · Acid dissolves almost everything · Plant grows near water · Lava sets things ablaze and turns to stone.
Controls: Click or drag to paint. Pick a brush size, or use the Eraser to remove elements. Right-click also erases.
Sandbox: Free play — your scene auto-saves. Challenges: Solve 10 physics puzzles with limited elements. Fewer strokes = more stars!