Pick a game and start playing.

Dodge balls, grab stars, and survive the playground! Drag your animal buddy through sprinklers, rolling balls, and a zigzag dog.

Pack your bag, find your classroom, make friends, and survive seven little adventures from morning to home time.

Mix animal heads, bodies, legs, and tails to build your weirdest creature. Name it and save it to your bestiary.

Drag animals into nested category trees — sort by habitat, diet, and size. Unlock the Scientist View to see the JSON you just built!

The engine-powered upgrade — three-level trees, herd mode, and a Scientist View that shows the data structure you built. LITTLE and BIG modes.

Place body-part nodes, connect them with joints, then hit Play to watch your weird creature wiggle to life.

The engine-powered upgrade — connect parts to build a valid graph creature with graph-theory validation and data-structure explanations.