The famous japanese logic game as a video game! Prelude version with 30 puzzles! Picross is a logic game which involves drawing a secret picture thanks to numeric clues. All on a grid of either 5x5, 10x10 or 15x15 squares. To win, you must mark in black all the correct squares. To mark a square in black, just click on it. To help you remember what squares musn't be marked in black, you can put in a red cross by clicking while holding SPACEBAR.