Blackjack A Casino card game in which players compete against the house. The goal of Blackjack is to get as close to 21 as possible without going over. Blackjack is also the term used for an initial dealt hand of Ace and 10 card (10, J, Q, K). With a value of 21 a Blackjack is an automatic winner in the game Blackjack and is paid out at a higher ratio than a normal win (3:2 vs 2:1). First place your bet and see if you can win.