Various jurisdictions in the United States categorize slot machines into one of two classes—class II games and class III games. The latter are the traditional slot machine games you’ll find in Las Vegas, Reno, Atlantic City, and other large gambling destinations. The former are usually found in smaller gambling destinations, often in states which only allow casinos operated by local Native American tribes.
A Class III slot machine is also called a “Vegas-style” slot machine. The outcomes of each spin are determined by the spinning of the reels, and each spin is an independent event. Anything can happen on any given spin, in respect to winning or losing, within the parameters of the game.
Class II slot machines, on the other hand, are more like bingo or lottery games. Instead of playing against the house, the way they do in a Vegas-style game, the players are playing against each other, trying to win a jackpot that has more in common with bingo or lottery. The game looks, sounds, and feels like a traditional slot machine, but the math and the mechanism behind the machine is all bingo-based. The results of the games are dependent on the other results—there are a certain number of wins and losses in each given set of numbers.
Loose versus Tight Slot Machines
These “types” are almost entirely subjective. A loose game is one that pays out more money more often, while a tight game is just the opposite. There’s no way for the casual casino customer to evaluate the payout percentage on a slot machine game, though, so it’s a matter of opinion as to whether or not a particular game is loose. You can find a variety of opinions on the matter at various Internet gambling forums, though, especially when it comes to online games.
Traditional slot machine games have one payline—right across the center of the three reels. If the symbols make certain combinations, the game pays out.
Newer slot machine games have multiple paylines on five reels. Some of these patterns are quite complicated, but they increase the player’s chances of winning at least something on every spin. Some machines have 3 paylines, 5 paylines, or even 25 paylines. One new type of slot machine is called “243 ways”, which does away with the concept of paylines entirely—if any combination of winning symbols is in the right order from left to right on the screen, then the machine pays out.
Modern slot machines often feature a bewildering array of bonus games and special wild symbols that function in various ways. And that’s just the state of the industry now. More slot machine types are sure to be developed over the coming decade
If you are intested in developing Class II and Class III casino slot machines, please contact us.