K.O. Flip vs Zero Puzzles

Get Flip (Light up / Black & White) solution / solving steps immediately. It supports 3x3, 4x4, 5x5, 6x6, 7x7, 8x8 puzzle. The abundant puzzle store is waiting for you to play. ---------------------------- In the grid of N rows x N columns, click any square, the square and its up/down/left/right(if exist) squares will undergo black-and-white color conversion. When the initial pattern is converted to the target pattern, the puzzle is solved.

Zero Puzzles — a collection of number & logic puzzles that lets your mind leap across the grid! Welcome to a wonderful world of brain training! Here you will find a series of carefully designed mini games of logic, deduction and number thinking — challenging your brain, sparking your thinking and igniting your curiosity. From classics to originals, across multiple difficulty levels, Zero Puzzles turns logical reasoning training into an adventure at your fingertips. There are no dry formulas here — only addictive mind teasers, for example: • Numbers & Thinking: fill in the sudoku grid of Solo and decode the number clues of Mines, sharpening your number sense against the clock. • Strategy & Planning: sliding classics like Sixteen and Fifteen test your move optimization and backward thinking. • Memory & Focus: Schultegrid and Connect train your short-term attention — hand speed and sharp eyes level up together. • Colors & Space: in Flood, let same-colored tiles swallow the whole board in as few steps as possible; in Cube, roll the cube to pick up every painted square. • Logic & Deduction: in Bridges, connect islands so that every bridge count matches its number — pure satisfaction the moment all islands link up; Pattern, a nonogram, combines row and column clues to train elimination and spatial planning. Every puzzle is built on playful deduction mechanics — each level is a small piece of mental gymnastics. Pick it up in fragments of free time, build focus and logical rigor through trial and error, and gradually develop a habit of systematic thinking. Zero Puzzles is like a little box of thinking toys — a quick round of Schultegrid on your commute, a Bridges puzzle at lunch, a sudoku before bed to clear your mind… Fragmented time becomes meaningful, and your logical thinking levels up without you even noticing. HIGHLIGHTS • 40 mind puzzles in one app, from beginner to expert • No account or sign-up required — start playing instantly • Play offline anytime, anywhere • No ads and no tracking — privacy friendly • Hints and full solutions whenever you get stuck • Share challenge links and puzzle your friends • Family friendly — fun for all ages PLEASE NOTE • Every puzzle can be tried for free. Revealing a solution costs points. You can get more points through in-app purchase, or unlock everything with a one-time lifetime purchase. Download now and give your brain the workout it deserves!