Calculating The Return Percentages Of Slots Machines

How to calculate the return percentage of a slots machine

The return percentages of slot machines is one of the last casino mysteries, so to speak. In all the other casino games the rules are disclosed and it’s quite easy to determine the house edge. In this article I’m going to take a closer look at how the return percentage of a slot machine is calculated and at the same token would also like to credit Michael Shackleford since it’s based on his findings.

How The Return Percentage Is Calculated

Slot machines are controlled by random number generators and computer microchips. It’s rather difficult to determine the theoretical return unless the player knows how the machine was programmed. Before I continue, let’s just define a slot machine quick. A slot machine is a gambling device that’s an actual or video representations of spinning reels. At times there might be some discrepancy since the slot payback percentages can be jaded especially …

Popular Modern Mechanical Slots Machines

Popular slots machines played in casinos

The modern mechanical slots machine (see picture) comes with 1, 3, or 5 pay lines. It features three mechanical drums or reels that spins independently and stops on a pay line which indicates the outcome of a spin.

In this article I’m going to discuss the various slots machines, their pay lines and why they are popular with players. All  slots machines are controlled by an EPROM chip and a random number generator (RNG).

Slots Machines Winning Chances

The probability of winning on a modern mechanical slots machine is better than on a video slot machine that has an indeterminate number of virtual stops. The main difference between these machines is that the stops are weighed by the casino which effects the outcomes and payout percentage. The casino can’t make any adjustments with the virtual stops of a video slots machine since the manufacturers’ programming determines all the results.

The …

How Long Must I Play a Slots Machine?


As an avid slots player I’ve asked myself this question many times: ‘‘How long must I play a certain slot game?’‘ I’m going to give you some valuable pointers that will stand you in good stead when playing slots online.

This is where your stake comes in. In this article I broke my bankroll down into stakes. Let’s assume that your stake is $20 and your bankroll is $200. Let’s start off by grabbing your $20 stake.

When Playing Slots I Use the Following Technique. I Call it the Easy Slot Test (EST)  Technique. I first decide how many credits I plan to play based on the number of lines times the multiplier. Depending on the type of machine it varies greatly.  Start off by playing 10 spins. You might pick another number, personally I use 10 spins. Whatever number you pick stick with it.  I …

Playtech Releases Jazz Club Internet Slots

Playtech one of the internet gaming world’s premier software providers just released a new slot game that will appeal to music aficionados. Many different igaming software providers have released loads of music themed slot games over the years be it with pop or rock themes. A shining example is The Groupie slot game released by the Palace Group powered by Microgaming software, WagerWorks also released an Elvis themed slots. You’ll note that these slot games are based on Retro music such as Vinyl Countdown and The Rat Pack from Microgaming. Jazz themed slot games are far and few between hence the reason Playtech decided to release an new slot game titled The Jazz Club.

The Jazz Club Internet Slots

One of the features we like about The Jazz Club is the captivating Jazz music that plays in the background. Jazz symbols are showcased on the reels. The three soloists are the …

Crazy Slots Released by Virgin Casino

Virgin Casino is licensed in Alderney. It welcomes players from the United Kingdom, and Europe. 

Virgin Casino just released a new slot game titled Crazy Slots. The site describes Crazy Slots as “a fun game of chance and strategy”.

Crazy Slots Game Info

Crazy Slots has a single master reel with three spots in a vertical strip. This reel spins to a position that indicates three symbols when the player starts the game. On the screen just below this are four three reel “Slots” that do not spin. From the master reel the player then selects a Slot to place the combination. A new three symbol combination appears on the master reel the moment the first combination is placed. 

The following strategy must be applied here. The aim of this slot game is to try and place the symbols in the Slots in such a manner that when all three reels …

Jack And the Beanstalk Popular At CasinoLuck

Last month a new 3D slots titled Jack and the Beanstalk was released at Net Entertainment’s CasinoLuck.

Jack And The Beanstalk Slots Mechanics

Since then this slot game has been a major hit with players, since it offers players 5 reels (non-progressive), 20 paylines, a wild symbol, scatter symbol, multiplier, free spins and a maximum jackpot win of $15,000. Some players during the free spins round have won as much as 4000x their bet.

Jack and the Beanstalk is definitely for modern players that have a proclivity for the latest 3D slot games. This slot game’s coin denominations ranges from $0.01 to $0.50. Players can place up to 10 coins per payline, therefore increasing their bet range should they prefer to play higher stakes.

Bonus Modes and Free Spins

Innovative features increase the winning odds significantly. With re-spins the Walking Wild feature combines a wild symbol function. The moment the wild symbol occurs, a re-spin will be …

Castle Casino Offer 3D Slot Games

Castle Casino now offers punters high resolution 3D slot games.

New High Resolution Slots

Castle Casino is one of the more reputable internet casinos that offers punters from the UK live casino games and a reasonable collection of 3D slot games. This internet casino is licensed in the internet gambling jurisdiction of Costa Rica, and owned and operated by the brand Castle Entertainment Limited.

Castle Casino offers all new players a 100% match bonus up to a maximum of £100 on their first deposit. To qualify for the sign up bonus punters must first deposit a minimum amount of £30. The wagering requirement attached to the sign up bonus is 38xb+d amount which could be used to wager on internet slots, 3D slots, Video Poker and Classic games. We urge you to first read the terms and conditions for this bonus.

The various casino games offered by Castle Casino is powered by …

Cassaon-casino Presents Immortal Romance

You’ve heard the recent hype about the video slot game Immortal Romance, the good news is that we completed the game review.

The question we asked ourselves does this new game release really justify all the hype and will it offer you decent payouts? Anyway in this article we’re going to list the pros and cons of Microgaming’s latest and most exciting game release of 2011.

Immortal Romance 3D Slots

Immortal Romance is a 5-reel non-progressive video slot game, it offers players 243 paylines which includes a Wild Symbol, Scatter Symbol, free spins feature and a maximum jackpot win of $1,200.

Mircrogaming the web’s premier software provider just released (5th December) the much awaited “slots blockbuster of the year”, a multi-featured video slot game titled “Immortal Romance”. The same creators of Thunderstruck and Thunderstruck II are also the creators of this new innovative slot. It is the first in a series of games that has a captivating …

Virgin Casino Launches Grand Monarch Slots

Virgin Casino offers new punters a 100% match bonus up to £$€100, terms and conditions apply.

It is fully licensed in Curacao. It uses three software providers namely WagerWorks, Microgaming and Cryptologic.

WagerWorks is software segment of land-based casino slots producer International Game Technology (IGT). It has a sterling reputation having produced some of the most innovative IGT land slots machines. The latest slots released by WagerWorks is Grand Monarch. It’s very popular at land-based settings across the globe.

Monarch Slots WagerWorks Free Spins And Wilds

Grand Monarch is ideal for high rollers. This new internet slot game has 50 paylines ranging from 1, 5, 10, 20, 30, 40, or 50. The line bet varies from 1.00 credits to 50.00 credits. The total bet per spin translates into 2,500.00 credits. Grand Monarch is a butterfly themed internet slots. Symbols found in a garden are showcased on the reels.

The wild symbol …

Reel Gems Slots Release Virgin Casino


Virgin Casino is fully licensed in the Alderney gambling jurisdiction in accordance with British Law. The casino offers first time punters a 100% match bonus up to £$€100. Punters from the United Kingdom and the rest of Europe are accepted.

Reel Gems Scatters And Wilds

Reel Gems is a 5-reel 20-payline slot game that could now be played live at Virgin Casino. Symbols showcased on the reels are variety of gemstones such a diamond, sapphire, emerald, ruby and high value card symbols. The wild symbol is the Reel Gems logo; 10,000 coins is the largest fixed jackpot offered by it. The diamond symbol offers the second largest jackpot of 1,500 coins.

The scatter symbol is the Diamond Ring. When three Diamond Rings appear on the reels the Winspins bonus game is triggered. The punter can choose from the following options: 5 Winspins with up to x10 multiplier per spin, …