SandSim Online

Multiplayer Falling Sand

Choose Game Mode

💡 How to Play: Touch and drag across the canvas to pour colorful, gravity-driven sand particles solo or with a friend in real time!

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Online Lobby

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SandSim

← Hub

Select a color to pour solid sand.

Build a sequence to cycle through colors.

Grain Size

Fine Coarse Pebbles

Flow Speed

Slow Fast

Room Code

Quick Chat

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⚠️ Tap Back or Quit again to leave game

📖 SandSim (Multiplayer Falling Sand) — Rules

🎯 Objective

Create layered sand art and relaxing particle landscapes using custom colors, rainbow palettes, and grain sizes.

🕹️ How to Play

Touch and drag (or click and drag) anywhere on the dark canvas to pour falling sand.
Use the top navigation bar to switch between a single Solid Color, a cycling Multi-Color Palette, or Settings.
In Settings, adjust Grain Size (Fine, Coarse, Pebbles), Flow Speed, or Clear the canvas.

📏 Key Rules & Scoring

⏳ Gravity & Stacking: Sand grains fall downward and slide diagonally down slopes to form natural dunes and pyramids.
🤝 Co-Op & Multi-Touch: Supports multi-touch on the same screen locally or real-time 2-player collaborative pouring online.