9 sudoku's , 8 kakuro's,
8 battleships, 4 hitori,
4 slitherlinks, 4 hashi,
4 pic-a-pix, 4 link-a-pix,
4 fill-a-pix, 4 map-a-pix,
Some of them you find ONLY on this website.
For example MAP-A-PIX and DOT-A-PIX.
As the player paints the path from the entry to the exit
Connecting the dots reveals a beautiful detailed picture