Zero Grid vs ShirokuLogic

A simple math puzzle that anyone can pick up and play. Easy to start, hard to put down. Use the number in the center to calculate each tile and turn all numbers into “0”. Start with simple puzzles using subtraction. As you progress, addition, multiplication, and division are introduced, making the puzzles deeper and more strategic. Drag across tiles to connect and select them in one stroke. Choosing the right steps and operations is the key to solving each puzzle. Clear stages from Level 1 to 200 in order. After clearing Level 40, the “Puzzle Generator” is unlocked, allowing you to create and play unlimited custom puzzles. Features • Simple and intuitive controls • Operations increase with difficulty (− → + → × → ÷) • Satisfying one-stroke drag gameplay • Strategic, brain-teasing puzzles • 200 challenging stages • Unlock the puzzle generator • Perfect for short play sessions Play now and experience the fun of puzzles!

Black. White. A flash of insight. ShirokuLogic is a logic puzzle in which you use number clues to color every cell black or white. Each intersection number counts the less common color in the four cells around it. A 1 means three white and one black, or the reverse. It does not simply count black cells. Connect the clues and enjoy the moment everything falls into place. • 2000 puzzles, from gentle introductions to thoughtful challenges • Discover special rules, including matching cells, minority arrows and line balance • Organize your ideas with X and Y notes • Undo, retry and automatic progress saving • A clean monochrome design and music you can switch on or off • Nine languages, with puzzles playable offline Contains ads. An internet connection is required for ads. Hints are available by watching rewarded ads.