Lost & Found

1. Study which symbol sits where
2. They all hide
3. Tap the cell where the asked symbol was
4. 3 lives; more symbols each level

Spatial. Remembering what is easy; remembering what-was-where requires binding two features into one memory, and binding is where visual working memory gets expensive. Errors here are usually swaps: the right object at another object's address, which is exactly what happens when you find your keys where your phone should be.

Treisman, feature binding research.

Build one silly scene per round: the star sits on the corner office. Scenes bind; lists leak.