Squidoku

Game info:
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 3×3 ‘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!

Game instructions:
Complete the grid so that there is a unique tile in every row, column and grid!
LEFT click a cell to place the tile in your hand
SHIFT+LEFT click to toggle a note
RIGHT click to toggle a note/remove all notes via the menu
Keyboard shortcuts:
1-9 select tile
SHIFT+1-9 show only that tile
CTRL+1-9 toggle tile visibility
You can save your game from the quit menu and carry on later if your brain gets strained!