Yes It is possible to earn money by playing FIFA and betting on it, but it is important to note that there are risks involved. Betting on video games is a form of gambling, and like any form of gambling, there is always the possibility of losing money.
Gambling in Qatar is illegal in both online and offline modes as there is a lack of licensing regime that authorizes casinos and betting sites required for gambling. Gambling includes lotteries, sports betting, and online gambling.