Have you played blackjack before?
No I haven't. do you know much about it?
Its also known as "21" , and you play against the dealer but not against other players
How do you play against the dealer?
The game is played by dealing out 2 cards face down and whoever gets closer to "21" points total on their cards without going over wins
So the only way to actually have control over the game is to count cards?
dealt two cards, normally one up (exposed) and one down 
(hidden). In most other countries, the dealer receives one card face up. The value of cards two through ten is their pip value (2 through 10). Face cards (Jack, Queen, and King) are all worth ten. Aces can be worth one or eleven. A hand's value is the sum of the card values. Players are allowed to draw additional cards to improve their hands. A hand with an ace
.
- No hole card – In a no-hole-card game, if you do not take the card, it may become the dealer’s second card.
Other methods.
- Warped cards – In a casino where a blackjack dealer bends the hole card to check for a blackjack, the cards can become warped. The warps can be later used to determine the value of a face down card. This method is largely obsolete as most casinos use devices instead of bending cards to determine dealer blackjacks,