Most games will report this in the form of its RTP, which is how the theoretical return to the player is written. The other facts a player can learn about this game are how much money it is likely to return to players. And the jackpot is 3 blue diamonds that pays 888-times stake. Three times blue bars pay 18-times stake. Here’s a very simple example from a currently very popular 3-reel slot.Ī single cherry pays a 1-times stake two cherries pay a 3-times stake, and three cherries pay a 5-times stake. The pay table tells players what prizes are awarded. The only window on this that players have are three tools: The fact that many free 3 reel slots offer pay-outs that are much higher than that ratio should clue you up to the sort of odds that are likely to be offered by slots online.

With a €1 stake, the casino would need to offer a pay-out ratio that is lower than that figure, for example, 1,700-times stake.Ī computerised online slot works in the same way, even if there are no mechanical bits and pieces.īecause the mechanical limits of spinning reels inside a tin box are removed though, the mathematics can become incredibly complex. That means the odds of hitting the jackpot are 1 in 1,728 (odds are just probable outcomes remember, not a prediction). Add the third reel and we must multiply by 12 again, to give us a chance of 1/1,728. The odds of it landing on 2 reels at the same time is 1/12 x 1/12 = 1/144.

The odds against the cherry landing on each reel is 1 in 12. This game has a single pay line across the centre and pays a jackpot prize for a set of 3 cherries. Of these 12 positions, one is the cherry. These days the symbols are spun by machines and governed by algorithms so things are more complicated, however, the simple machine version of the game is a good explainer of how 3 reel slot machines work.Ī very simple version of a 3 reel slot might have 12 positions on each reel. Slot machines were much simpler when they were mechanical. If this branding is attached to them you would expect to find a certain aesthetic too: with symbols that reflect classic games (fruit games, for example), and cut-down gameplay that is light on extra features, though there is no reason why a 3 reel game has to comply with these styles. These games are often styled as “classic slots”, or “retro games”.

Having fewer symbols makes the screen easier to manage on smaller screens, and a lot of games in 2021 have very large graphical symbols. Mobile phones in particular are better suited to 3 reel slot machines. The majority of internet access is now via mobile devices. This is mostly because of mobile internet access. And three-reel games are making a strong come back in the 21

Free 3 reel slot machines