Also known as: SNG. Sit and Go is a type of tournament. This means that there is a pre-selected amount of player spots available. Once enough people have registered to fill these spots, the tournament begins. Most often, a sit and go tournament is a single-table tournament. This means that once ten people register for the tournament, the tournament commences. Sit and go tournaments are very popular online, but they are somewhat rare in brick and mortar casinos.