Fulcro: Balance Puzzle

Every symbol hides a number. Read the scales, deduce what each one weighs, and balance the last. No ads, no account, works offline.

Every symbol hides a number. Read the scales, work out what each one weighs, and balance the last one.

No words, no arithmetic drills — just deduction. If two circles balance one square, and one square plus a circle balance nine, you already know enough to finish.

HOW TO PLAY

• Each puzzle gives you a set of balanced scales and one unsolved scale
• Each symbol stands for the same hidden number everywhere it appears
• Work from the scale that pins down a single symbol, then substitute forward
• Enter the missing value to finish

EXACTLY ONE ANSWER Every puzzle is generated as a system of equations and then checked by a solver. Only puzzles with exactly one possible set of values are shipped, so the scales on screen always contain enough information — no guessing, no ambiguity, no puzzle that turns out to be broken.

DIFFICULTY THAT IS MEASURED, NOT GUESSED Rated from the structure of the puzzle itself: how many unknowns there are, whether any scale gives a symbol away immediately, how many substitutions the shortest path needs, and whether counting the symbols carefully matters. Four levels, from a gentle start to genuinely hard.

STUCK A hint points at the scale to read next, and then at the symbol it settles. You earn a hint for every four puzzles you solve.

BUILT TO BE QUIET No ads. No account. No sign-up. No tracking. Nothing is sent anywhere — the whole game runs on your device and works in aeroplane mode.

FULCRO PRO Unlimited hints and every puzzle. Available as a weekly or yearly subscription, or as a one-time lifetime purchase.

Subscriptions renew automatically at the price shown in the app unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple Account on confirmation. You can manage or cancel in your Apple Account settings; deleting the app does not cancel a subscription.

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