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CARDS PRACTICE

Find the secret rule.

Fits

Doesn't fit

Dotted tiles = new clues

Test an idea

0 experiments

Try an example

A NUDGE

Sort these three

0 / 3 sorted

PUZZLE COMPLETE

Nailed it.

THE SECRET RULE

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A QUICK DISCOVERY

Find what fits.

Fits

12 · 18 · 30

Doesn't fit

11 · 17 · 25

Even numbers, or multiples of 3? Test an idea.

Which test tells them apart?

Finish all three stages, then share your daily result. Each wrong check adds a strike. Tests and hints are free.

See the answer?

This finishes the stage with one strike.

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