Get as close as you can to 21 without going over. If the dealer beat you and they are not over 21, you lose your stake amount If you beat the dealer and you are not over 21, you get back your stake and take the amount that you bet from the dealer. In an event of a tie, the screen will say "push" and you get your stake back.
CHANGES added deposit (press space) type in negative for withdrawals maxbet is now 360 (in tribute to the Corona system from Class Economy in UE of the Glen)