Get a casino quality Blackjack experience right on your iPhone, iPad, or iPod Touch! Download Blackjack 21+ and double down for intense gambling action with. Prepare for an unforgiving winter by. Fight your way through the Battle Pass to unlock premium weapons, operators, and rewards. Season 1 Reloaded has arrived. For splitting, the player should always split a pair of aces or 8s; identical ten-cards should not be split, and neither should a pair of 5s. .