New Check3 puzzle game with something like a Chinese sudoku, but still has its own distinctive rules. Some of them will be filled with red crosses. The remaining cells will be empty. When making a move you will need to click on the area of your choice and put a green check mark in it. Checkboxes cannot be placed next to each other or a friend higher than the one already set. Cells that you do not need to mark with a red cross.
