If you are aware of the game known as twenty-one, then blackjack is largely similar. The aim is to beat the dealer by getting a two-card hand of 21 points, without busting or having the dealer bust. The game requires good memory so you immediately know what decision to make when the dealer card is revealed.
Brunei is a tiny but wealthy absolute monarchy in South-East Asia. Roughly the size of Delaware, it is among the most prosperous nations per GDP and social development in the region. The sultanate applies a strict interpretation of Islamic law in its legislation. All forms of gambling are strictly forbidden, and gamblers are actively prosecuted.