Sandspiel Game

Sandspiel is a falling-sand physics toy built by developer Max Bittker. There's no goal, no timer and no way to lose — you get a blank canvas and about twenty elements that react to each the moment they touch, and the point is watching what happens next.

A session usually starts small: drop some sand, pour water underneath it, and build out from there. Set lava next to water and watch it cool into stone. Plant a seed and let it grow. Strike a spark near something flammable and see how far the fire spreads before it burns out. It's less a game to win and more a tiny physics lab you keep nudging.

Controls

Hold the left mouse button and drag to paint the selected element onto the canvas; on phone or tablet, drag a finger instead. A brush-size control lets you lay down a fine trickle or a wide sweep, and an undo button is there for when an experiment gets out of hand.

Tips

• Lava turns to stone on contact with water — useful for building solid walls to contain elements.
• Shrink the brush size when you want to place a single seed or spark precisely instead of flooding the canvas.
• Undo is your friend — if fire or another fast-spreading element gets away from you, roll it back rather than starting over.
• Save a creation you like and browse the community gallery to see what players have built with the same elements.

It suits anyone who likes low-pressure tinkering — the kind of tab you leave open to fiddle with for five minutes between things.