The aim of Blackjack to get as close to 100 as possible, but without going over 100. Blackjack is another popular dice game within Zamorak and many people host this at ::gamble. Blackjack in Zamorak is very much similar to the actual Blackjack game in real life. If it's your first time, use this guide for help.
The first thing to do is to ensure the safety of your items and coins, in order to do this you should find a TRUSTED host. There are clans that you can join and other people you can gamble with.
Before agreeing to everything and rushing to start the bet, make sure that both yourself and the host are in the same clan chat. Another thing you should do is make sure that you both confirm the game you wish to play, there's been a lot of confusion in the past and reports that players haven't confirmed with each other. For example, the host may think you're playing a Dice Duel whereas the other may think Blackjack.
When everything is confirmed and accepted (items to host), the game will then begin. As stated above, the aim of the game is to get as close to 100 as possible (or 100 itself), the host will first roll the dice for YOU then himself.
If you wish to stick with a number, simply tell the host that you "stay". However if you wish to continue and hope you can get closer to 100 (or 100 itself), simply tell the host that you want to "hit". When you say "stay" to the host, his or her turn will then begin and they will start rolling for themselves.
If the host gets closer to 100 than you did, you unfortunately lose all the items or coins that you bet. However, if the host is to bust (get higher than 100) then you win - you receive x2 your bet (items or coins).