There are no legal casinos or betting shops, but the risk of getting punished is extremely low. In addition, there are a huge number of foreign casinos that have left their virtual doors open to players from this country.
Yemen is a strict Muslim state where real money gambling is prohibited. This is due to religious reasons and strict laws. But at the same time, there is no exact wording in the criminal code of the country that would qualify online casino activities as crimes, but all forms of gambling are culturally unacceptable, so gambling in Yemen is not possible legally.