Gambling is a diverse activity, so different types of gambling addiction exist as well. the act of gambling is not restricted to slot machines, cards and casinos. Whether you bet on sports, scratch cards, roulette, poker, or slots—in a casino, at the track, or online—if your gambling becomes a problem, it can strain your. Around the U.S.—particularly in California— casinos are taking gambling addiction seriously. Marc Lefkowitz of the California Council on Problem Gambling.