40 levels with 3D Mahjong Connect. Match 2 of the same cubes if you can connect them with a path that has no more then 2 turns of 90 degrees. You can rotate your view.
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.
Freecell variation. Move all the cards to the foundations from Ace to King up in suit. On the tableau build down by alternate color. Use a freecell to temporarily park a card.