A collaborative pixel sandbox — draw with sand, water, fire and more, and watch the physics play out with everyone else, live on-chain.
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Usernode Falling Sands
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Falling Sands
A collaborative pixel sandbox on the Usernode blockchain. Draw with physics-simulated elements and watch them interact in real time.
Pick an element from the toolbar (tap the swatch to see all elements)
Draw on the canvas — strokes appear locally as a preview
Send your strokes (tap the check mark) to commit them on-chain as a transaction
Everyone runs the same deterministic simulation locally
Each stroke is stored as a transaction memo on the Usernode blockchain. Your device runs the physics engine (WASM) locally.
Tap anywhere outside this panel to close.
Admin
You're signed in as the canvas admin. Resetting wipes everyone's drawings back to the seeded default. This is recorded on-chain as an admin reset memo.
Leaderboard
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Transaction History
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Save creation
Your gallery
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Rename creation
Viewing a saved creation
Reset shared canvas?
This wipes everyone's drawings back to the seeded default and is recorded on-chain.