This a simple set of numbers that players enter into a section of casino website to show that they have fulfilled some conditions to qualify for a reward. The code may be earned in the casino or an affiliate. Each code earns a different reward but all benefit the player by allowing them to play for free.
Burundi is in Central Africa which is found close to Lake Tanganyika. Despite it being one of the smallest countries in Africa, it attracts a lot of tourists through safaris. Online gambling is not that popular in this country, and it is frowned upon. Few people make use of online sites due to lack of the internet.