This usually depends on the jurisdiction. Class III machines are independent and each one contains its own RNG. Class II obtain their randomness from a central

This usually depends on the jurisdiction. Class III machines are independent and each one contains its own RNG. Class II obtain their randomness from a central server, and are usually configured to actually be a bingo machine or some other pooled wagering mechanism, and the "slot machine" that you see is a mask for the pre-determined outcome. In the US, almost all commercial casinos (Nevada, New Jersey, Mississippi, etc) use Class III games while native American casinos use a mix of Class III and Class II. Typically, Class III are preferred by casinos and by gamblers. Here's another source: https://www.tahlequahdailypress.com/news/state_news/casino-101-a-breakdown-of-class-i-ii-and-iii-gaming/article_6f5519fd-a68a-5ea2-b551-6bd62b72c7de.html https://www.tahlequahdailypress.com/news/state_news/casino-1...