Rules. I overhear a lot of bad gambling advice in the casinos. Perhaps the most frequent is this one, "The object of blackjack is to get as Wizard's Simple Strategy · Rule Variations. Rules for the casino game 21 or blackjack, with links to pages on blackjack strategy, software and places to play online. Photo Of Casino Guests Playing A Table Game Inside The Casino At Caesars Palace Next up on our ongoing “ how to play ” gaming video series: blackjack.