Casino gambling in Brunei is illegal under the Common Gaming Houses Act, and punishable by a fine ofR$10 000 and imprisonment for 6 months. The prohibition is strictly enforced and arrests are rather frequent. Naturally, there are no land-based casinos in Brunei.
Regarding gambling laws, Qatar is the biggest challenge on the planet. Sports betting, along with other forms of gambling, is strictly forbidden. Because of this total ban, there is a thriving underground gambling scene, but many people pay the price for their participation.