A little give.

Pick something up. See how far it stretches.

Drag a block

Grab a point, lift it and squish it into things.

Flick and release

Throw it. A quick click gives it a little poke.

Shift + drag

Anchor the opposite side and stretch. The Stretch button does the same thing.

Two fingers

Grab two different points on a block and pull them apart.

Right-drag / empty space

Orbit the studio. Scroll to zoom; scroll while holding jelly to move it in depth.

Space · R · N

Pause · reset · add another block.

G · S

Toggle gravity · toggle slow motion.

Volumetric soft bodies · refractive surfaces · simulation runs locally.
Real-time material and collision approximations, not an engineering simulator.