play4d1. To play 4D game, choose your favourite or lucky four-dit numbers from 0000 to 9999. 2. Then decide on your bet type i.e. B or Small or you can play both. 3. B increases your chance ofPLAY4D® not only extends EACH of the two traditional dimensions (by adding NEW SUITS and MORE RANKS per suit), but also enhances traditional cards with new game