MATHCHAIN

MATHCHAIN — The Math Puzzle That Makes Your Brain Click
Drag your finger across the tiles, chain numbers and operations together, and reach the target number. Simple to learn, surprisingly deep to master — MATHCHAIN turns mental math into a satisfying, addictive puzzle experience.
HOW TO PLAY
Tiles are arranged in a circle around you. Start from any number, then drag through operations (+, −, ×, ÷) and numbers to build a chain. Hit the target number exactly to clear the level. Every level is guaranteed to have a solution — if you're stuck, it's not the puzzle, it's just your next "aha!" moment waiting to happen.
FOUR MODES FOR EVERY MOOD
• EASY — Warm up with friendly numbers and short chains. Perfect for beginners and kids learning arithmetic.
• HARD — Longer chains, trickier operations. Your daily brain workout starts here.
• VERY HARD — For true puzzle masters. Multi-step chains that will really make you think.
• RELAX — No timer, no pressure. Just you, the numbers, and a calm puzzle session whenever you need a break.