Knowledge and Curiosity
Grown-ups

All levels

What Disappeared?

Recall exactly which one or two objects disappeared from a stable scene.

How to play

Look at the scene for as long as you like, then choose Ready. After the cover lifts, select the missing object pictures and Check.

Later scenes ask for two missing objects. Remaining objects keep their positions. Replay restores the whole scene; explanations highlight what disappeared. No timer or penalty. Undo and Reset retain discoveries; Next scene waits for you.

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About What Disappeared?

Recall exactly which one or two objects disappeared from a stable scene.

How to play

Look at the scene for as long as you like, then choose Ready. After the cover lifts, select the missing object pictures and Check.

Later scenes ask for two missing objects. Remaining objects keep their positions. Replay restores the whole scene; explanations highlight what disappeared. No timer or penalty. Undo and Reset retain discoveries; Next scene waits for you.

Choose your Level in the shared profile controls. Your saved discoveries stay on this browser.