A card game where you work out the secret rule to determine which cards can be played next.

Click a card

{{r.key}} {{r.state.amount}}

There are four possible rules

  1. Test rules by guessing the next card
  2. Choose the correct rule to win (more)
Score
{{ lc.lab.state.score | niceNumber }}
Correct cards. Which card is next?
{{r.key}}
Incorrect cards:
{{r.key}}

Buy a hint

(-{{dc.hintCost}} score)
  • {{h}}

Winning: guess which rule

You can only play Cards For Science on your mobile device in landscape orientation.