Rigged

Dealer doesnt show blackjack when the dealer is showing a 10 and you have an 11, so when you double down and gives you 21, the dealer shows blackjack and takes the bet and the double down. Not a game I would recommend playing for practice. If you buy anything off this game you need help.

Coolman0046 about Blackjack 21: Blackjackist, v5.14.19