The game has a number of rules that can change according to house rules or regional preferences. In certain versions, for example, wild cards may be able to replace any card in a set orbingo 777 slots sequence, giving the game an additional strategic element. Tracking the cards that are discarded can give players important information about their opponents' tactics, so players must also be aware of their moves. With increased knowledge of Rummy Noble 2's rules and subtleties, players can create their own distinctive playing strategies that improve their winnings.