Gridhaiku: Daily Logic Puzzles

Five fresh logic puzzles, every day. Gridhaiku is a small daily habit for your brain. Five puzzles are ready each morning: Star Battle, Binary, Rectangles, Islands and Number Path. Each takes a few minutes, needs no words, and has exactly one solution that logic alone gets you to. No guessing. FIVE LOGIC GAMES • Star Battle: place one star in every row, column and region. Stars never touch, not even diagonally. • Binary: fill every cell with a sun or a moon. Each row and column has as many suns as moons, and never three alike in a row. • Rectangles (Shikaku): split the grid into rectangles. Each holds exactly one number, and the number is its area. • Islands (Hashi): connect every island with bridges. The number on an island says how many bridges touch it. • Number Path: draw one line from 1 through every cell, passing the numbers in order. Every game starts with a short tutorial, and…