Ball Sort Star vs Stack&Math

Free, no in-app purchases, no money ever 100% ad-sponsored (and not too many) Beat moves target or solve without help -> no ads All puzzles guaranteed solvable User-selectable difficulty Multi-move same color balls with single tap Auto-move balls if destination obvious Hints, unlimited undo, undo until solvable Shows movable balls, receptive tubes, dead-ends Ball sets: colors, numbers (for colorblind), symbols Playable offline, supports dark mode for night play Maximum privacy, collects no data linked to you Indonesia Game Rating System (IGRS): 3+

Stack it. Solve it. Beat the Boss. Stack&Math is the fast-paced math puzzle game that turns arithmetic into an arcade thrill. Blocks fall from the top — add, subtract, or multiply them to hit the target number before losing all your lives. Easy to learn. Hard to put down. Perfect for kids mastering arithmetic and adults keeping their minds sharp! HOW TO PLAY • Tap or swipe up to stack a falling block • Fling unwanted blocks off-screen with a horizontal swipe • Chain combos to multiply your score • Let a block fall without acting? You lose a life! • Every 10 levels: face a Gatekeeper Boss! SPECIAL BLOCKS • Freeze – slows the fall speed to give you time to think • Rainbow – wild card that matches any target • Bomb – clears your stack strategically to save your run PROGRESSION & CUSTOMIZATION • 10+ unlockable premium themes (Galaxy, Neon, Cyber, Sakura & more) • Exclusive block styles: Glossy Glass, Liquid, and Pixel Art • Permanent upgrades: extra lives and passive speed reduction • Personal high-score streaks with a persistent leaderboard ECONOMY & REWARDS • Earn Math Coins by completing levels and hitting combos • Revive your run with a single rewarded video • Daily bonus coins just for returning • Free Coins in the Shop (up to 10 rewarded ads/day) SMART FEED SYSTEM Our anti-frustration algorithm guarantees a valid solution block after 3 consecutive misses, ensuring you always have a fighting chance. Available in English, Italian & Spanish. Think you can beat the Level 10 Boss? Download Stack&Math now and put your brain to the test!