Freecell is a world-famous single-player card game (Solitaire).
This is the best game to kill time easily. Of course, it's free.

▼▼▼Rule explanation▼▼▼

▼ About cells
There are 4 spaces for free cells (upper left) and 4 spaces for home cells (upper right).

▼ Clear condition
Cleared when all cards can be moved to the home cell.

▼Movement rules
Of the eight rows of cards in the middle bottom, you can move the card at the top.

・In the home cell, cards with the same suit (mark) can be placed in order from A to K.
・Up to 4 cards can be freely placed in the free cell. Freecell cards can be moved to the homecell or the card in the middle bottom.
・In the middle 8 rows, you can freely place cards where there are no more.
・If the first 8 rows in the middle are different in color from the first one and are one less than the number, you can connect other cards to the top of the row.