Puzzle

Balance Grove

Use the balance scale readings to work out what each fruit weighs.

The game opens here and keeps you on WapTRICK.

How to play Balance Grove

Touch controls: Tap a clue card to study it, tap minus or plus to change a fruit weight, and tap Weigh in to submit. Every button is at least 46 CSS pixels tall and the board scrolls vertically if the cards need more room than the screen offers.

Keyboard controls: Keys 1 to 4 select a fruit, the up and down arrows change the selected fruit weight, the left and right arrows step between fruits, Enter or Space weighs in, P or Escape pauses, R restarts and M toggles sound.

Screen: This game works best in any orientation.

About Balance Grove

Balance Grove is a deduction puzzle with four fruits and one question: how heavy is each one? Every fruit has a whole number weight between 1 and 9, and three balance cards state relationships that are all true, such as Berry plus Plum balances Apple, or Berry times four balances Melon. The cards carry no numbers themselves: they are the whole rule set, and the answer has to be worked out from them.

Every card is studied by tapping it, and each guessed weight is entered with the minus and plus buttons on the fruit rows. A weigh in checks the whole board at once: fruit set correctly are pinned for the rest of the run and pay 40 points each. Three weigh ins that pin nothing end the run, and the true weights are revealed on the end screen so the next run makes sense.

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