Pick the Store.
A use case drops in. Send it to the datastore that fits before the clock runs out.
- ■ A card drops in: where does this data live? Tap the right box.
- ■ +10 per right answer, ×2 from 3 in a row, ×3 from 6 in a row.
- ■ A wrong answer costs 10, resets the streak and shows why. The clock keeps running.
- ■ Score 150 in one round to clear it.
clear at 150 · no best yet