Gridzle: Grid Logic Puzzle

Gridzle is a counts-first grid puzzle for players who love pure deduction. Place geometric pieces onto a grid — every placement toggles the covered cells between filled and empty. Read the visible row and column count targets, plan the order of your moves, and solve each level by logic alone. No randomness. No trial-and-error grinding. Every puzzle is hand-designed and solver-certified. WHY GRIDZLE • 250 hand-crafted levels across 5 difficulty tiers — from first-time-player to master-class deduction • Deterministic solver-certified — every puzzle is proven to have a unique logical solution • Toggle mechanic — placements flip cells on and off, making order-of-operations part of the puzzle • Buttery-smooth 60fps shape dragging with sub-16ms input latency • Dark neon aesthetic — premium visual polish, easy on the eyes • Offline-first — full gameplay works without internet, ever • Portrait-first — comfortable one-handed play on any commute HOW IT PLAYS • Each level shows a grid with target counts for every row and every column • You receive a set of geometric pieces (polyominoes) to place • Drop a piece: every cell it covers toggles (filled becomes empty, empty becomes filled) • Solve when every row and column hits its target count DESIGNED FOR PUZZLE LOVERS If you enjoy Hexcells, Picross, Nonograms, Sudoku, Flow Free, or any thoughtful deduction game, Gridzle will feel instantly familiar — and fresh. The toggle mechanic opens strategic depth that classical nonograms cannot reach. PREMIUM, NOT PREDATORY • One-time $2.99 IAP to remove ads — buy once, play forever • Optional rewarded ads for hints — never required to progress • No daily energy meters, no pay-to-win, no manipulative loops • No data collection beyond what's needed to sync your progress (optional cloud sync) TECHNICAL • iOS 15.0+ required • Works offline; optional cloud sync when online • Accessible for color-blind users (shape + color cues) • Supports Dynamic Type for larger text Gridzle is built by a solo developer who loves puzzles. Every level was hand-certified by a deterministic solver, then hand-tested for elegance. If you have feedback or hit a level you suspect is unfair, email [email protected] — you'll hear back from a human. Download Gridzle, turn on dark mode, put on headphones, and enjoy 250 of the most satisfying grid puzzles on mobile.