Everyday new Tairupeinto levels. Make regions on the grid black (or white). The numbers on the sides indicate how many cells are black in a row or column.
Play everday two new 2 Queens puzzles. Place queens in such a way that there are only 2 queens per row and per column and per region. Queens cannot touch even not diagonally.
Play everday three new Queens puzzles. Place queens in such a way that there is only 1 queen per row and per column and per region. Queens cannot touch even not diagonally.