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Sandbox Challenge

A cozy falling-sand puzzle game. Pour sand, water, fire, lava and ice with your finger and let real physics solve 100 little problems.

▶ Get it on Google Play How it works

Draw matter. Watch it behave.

Every level is a tiny diorama with a resident and a problem. A thirsty dog, a castle without a moat, a cabin too close to a lava flow.

1

Look

The scene shows what is wanted: a bucket to fill, a fire to put out, someone who must stay dry.

2

Pour

Pick an element and draw it onto the board. Each one has a limited deposit, so plan before you pour.

3

Simulate

Water finds its level, sand sinks through water, fire turns wood into ash, lava meets water and becomes obsidian.

4

Save stars

Win when the goals hold. The less matter you spend, the more stars you earn.

10 worlds, 100 challenges

A trail that climbs from the beach to the laboratory, guided by a friendly mole miner.

Beach levelThe beach
Garden levelThe garden
Forest levelThe forest
Glacier levelThe glacier
Volcano levelThe volcano
Mine levelThe mine
Swamp levelThe swamp
Storm levelThe storm
Kitchen levelThe kitchen
Lab levelThe lab

Real chemistry, pixel by pixel

Over 70 materials that heat, melt, burn, freeze, grow and react with each other.

Lava + water = obsidian Fire + wood = ash Ice + heat = water Water + heat = steam Seeds grow into plants Salt water rusts metal Sand + heat = glass Sugar + heat = caramel Gunpowder + colored salts = fireworks Hard caramel + water = syrup

Free and fair

  • Every level is free. No purchases, no energy timers.
  • No forced ads: a short video only when you ask for a hint.
  • No pixel-perfect taps and no luck: matter always behaves the same way.
  • Plays offline. Your progress stays on your device.
  • Available in 40 languages.

Ready to get your hands sandy?

Download Sandbox Challenge and solve your first puzzle in seconds.

▶ Get it on Google Play