BrainChange: Mental Math Game

Be the cashier and train your mental math! A customer pays, you give back the exact change: fast, and with as few coins and notes as possible. BrainChange is the cashier game that turns counting money into a real brain game. Serve the customers, tap coins and banknotes from the cash register, hand over the change and see how sharp your mental math really is. Play the daily challenge, climb a career of 100 levels or just practice: one math game, three ways to play. 💰 HOW IT WORKS • A customer pays: work out the change in your head, with quick mental arithmetic • Tap coins and notes from the cash register drawer • Exact change with the fewest pieces = PERFECT • Chain PERFECT rounds to grow your combo multiplier • Too much change? The extra coin bounces back and costs you points 🗺️ CAREER: 100 LEVELS • 10 worlds, from the kiosk to the stadium: a brain game that gets harder level after level • Every level has its own goal: earn up to 3 stars and unlock the next one • Twists that keep your brain busy: sales to work out, long receipts to add up, a broken counter, coins missing from the drawer ✈️ TRAVEL THE WORLD • Two travel worlds take your cash register abroad: Tokyo and Zurich • Count yen in Tokyo and Swiss francs in Zurich, with their real coins and notes • New coins, new habits: the same mental math, a brand new money counting challenge 📅 DAILY CHALLENGE • Every day a new daily challenge: the same 10 customers for every player • Get your grade from C to S and earn a cashier title, from Confused Intern to Legendary Cashier • Keep your streak alive, beat your best score and watch your speed improve • Practice mode with unlimited shifts, whenever you want 🧠 A BRAIN GAME THAT TEACHES • Not the best solution? BrainChange shows you how to give the same exact change with fewer pieces • Prices get harder as you go: from round notes to tricky cents • Mental math tips to count money like a real cashier • Everyday arithmetic you actually use: adding up receipts, working out sales, giving change 💶 REAL CURRENCIES • A money game with real money: euro, US dollars or British pounds, with their real coins and notes • Your currency is picked automatically and can be changed anytime ✨ WHY YOU WILL LOVE IT • A math game in quick sessions of about a minute: perfect for a coffee break • Play offline: no internet connection needed to play • Daily challenge and practice need no lives: play whenever you want • No account needed • Bold black and white style with satisfying animations and haptics This math game is for anyone who wants to keep their mind sharp, and for everyone who has ever had to count money at a cash register. Download BrainChange, open the register and start your first shift. How fast is your mental math?