The game rules are:
1. First, all cards are displayed for 3 seconds.
2. After 3 seconds, all cards will be closed.
3. The player must memorize the picture so that two cards in a row have the same picture.
4. The game is over when all cards have been opened.
1. First, all cards are displayed for 3 seconds.
2. After 3 seconds, all cards will be closed.
3. The player must memorize the picture so that two cards in a row have the same picture.
4. The game is over when all cards have been opened.
Open up
