Test your brainpower with the latest and greatest logic puzzle from Crystal Squid Games! All you have to do is place the 9 numbers, letters, animals or gems in the grid so that there is only one of each in a single row, column, or 3x3 'cell'. How hard can that be, eh? With 3 new puzzles every day, and great features & graphics this game doesn't just tease the brain, it shows it who's the boss!