Till Zero - a math puzzle game

Subtract to exactly zero — before the clock runs out. Every round gives you a target number inside a ticking timer ring and a board of numbered tiles. Tap tiles to subtract their values from the target. Hit exactly zero to clear the round, earn bonus time, and face a fresh board with a tougher target. Overshoot, and the round resets while the clock keeps draining. Time never stops — when it reaches zero, the run is over. Easy to learn in one round. Hard to put down after fifty. SPECIAL TILES BEND THE RULES Twelve special tiles change the math when you least expect it: • TIME FREEZE — stops the clock cold for a few precious seconds • BOMB — comes with a lit fuse; spend it in time or take the penalty • POISON — pays bonus points, then drains your clock while the toxin lasts • CHAIN — your next move must be an adjacent tile, so think fast • LINKED — comes in pairs; tap one and you're committed to its partner • LOCKED — sealed shut until you've cleared enough tiles this round • NEGATIVE — pushes the target back up instead of down • RANDOM — a hidden value revealed only when you tap it, with a points bonus • DECAY — its value rots away on a timer; grab it early or grab it cheap • SWAP — re-rolls the tiles around it into brand-new values • SHUFFLE — reshuffles the board when you need a way out • SKIP — wipes whatever's left of the target for an instant clear THREE BOARDS, ONE CLOCK • EASY — a 3×3 board with gentle targets and a forgiving timer • MEDIUM — a 4×4 board with bigger numbers and tighter margins • HARD — a 5×5 board where every tap and every second counts BUILT FOR QUICK RUNS • Rounds last seconds, runs last minutes — pure score-chasing arcade • Speed bonuses and streak bonuses reward fast, flawless play • Game Center leaderboards for every difficulty • Achievements for combos, streaks, and flawless runs • High scores sync with Game Center, so a reinstall never costs you your best • Fully playable offline • A calm, neon-dark look with an original adaptive soundtrack — focus, not chaos FREE TO PLAY Till Zero is free and supported by ads. A single optional purchase removes them forever. No moves to count. No lives to wait for. Just you, the numbers, and a clock that never blinks. REACH ZERO. Privacy Policy: https://lukasz-rausz-geesoft.github.io/TillZero/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://lukasz-rausz-geesoft.github.io/TillZero/