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Jackpot Party Bonus

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  • Appendices
  • Slots Analysis
  • Miscellaneous


Historically, slot machines have been one of the few casino games that were nearly impossible to analyze without inside information about how an individual game was programmed. Every other casino game is open about its rules so the odds are quantifiable. However, with slots, the player is at the mercy of unknown reel strips. The casino doesn't tell the player the distribution of symbols on the strips, nor how they are weighted for single-line slots. While that doesn't seem to bother most players, it bothers me.

In an effort to break this wall of secrecy, I recorded 212 spins of the game Jackpot Party on my cell phone. Then I went home and hand entered every outcome into a spreadsheet. Finally, I did the math to determine what I was up against. This page shows what I found.

Step One - Data Collection

I decided to study the game Jackpot Party because it is a simple design and typical of the way video slot machines work. The game is somewhat outdated as I write this, but I managed to find a 'classic' penny version at the Wynn on January 24, 2012. Armed with a cell phone camera, I played as fast as possible for eight minutes. I broke for lunch then returned to record another 10 minutes of play. The videos of my play can be found on YouTube:

Jackpot Party part 1
Jackpot Party part 2

When I returned home, I hired my brother in law to record, by hand, the three visible symbols on each reel for all 212 bets in the first video. It turned out that video was enough, and I didn't need the second one.

Step Two - The Reel Strips

To make a long story short, I found that there were only so many different combinations of three symbols on each reel, just as I suspected. To be specific, from the first video I noticed the following number of patterns for reach reel:
  • Reel 1: 26
  • Reel 2: 28 (one of these patterns occurs twice, so 29 total positions on the reel strip)
  • Reel 3: 26
  • Reel 4: 29
  • Reel 5: 26

The 212 spins in the first video were enough to ensure I saw every combination at least once. If I found there was a missing segment in the reel strips, I still had the second video to fall back on, but I never needed it.

The next step was like a jigsaw puzzle. I had to find how the different sequences of three symbols overlapped to form a complete reel. It took a few hours, but I eventually figured it out. A tricky part was that in reel 2 one sequence (blue 7-plum-orange) appears in two separate places.

The following table shows the result of many hours of labor, the complete reel stripping for Jackpot Party.

Jackpot Party Reel Strips

PositionReel 1Reel 2Reel 3Reel 4Reel 5
2Wild FruitBellCherryOrangeCherry
3Green 7PlumJackpot 7Jackpot 7Orange
4PlumGreen 7WatermelonWild FruitBell
6Blue 7OrangeCherryWatermelonPlum
7PlumBlue 7Green 7CherryBlue 7
8PartyPlumOrangeBlue 7Orange
9Green 7OrangeBellOrangeBell
11CherryJackpot 7WatermelonPlumParty
12Blue 7Wild FruitBellGreen 7Green 7
15PlumBlue 7PartyGreen 7Blue 7
17Jackpot 7OrangeBlue 7BellWatermelon
19CherryJackpot 7Wild FruitPlumBlue 7
20Wild FruitCherryOrangeBlue 7Watermelon
23PlumCherryCherryJackpot 7Green 7
24CherryGreen 7PartyPlumPlum
25BellOrangeWatermelonWatermelonWild Fruit
26Green 7BellOrangeBellJackpot 7
27WatermelonBlue 7
28Blue 7Plum

The way multi-line video slots work is they draw random numbers, one for each reel, to determine where on the reel strips to stop. In this case, the game would choose three random integers from 1 to 26 for reels 1, 3 and 5, and two random integers from 1 to 29 for reels 2 and 4. It would then map these random numbers to a position on on the reels.

For example, if the game chose the numbers 10,7,7,3,21 for reels 1 to 5 respectively, and mapped them to the position on the reels on the top row on the screen, then the screen would look like this:

The next table shows the total number of each symbol on each reel.

Jackpot Party Symbol Distribution

SymbolReel 1Reel 2Reel 3Reel 4Reel 5
Jackpot 712121
Green 732122
Blue 723133
Wild Fruit21111

Step Three - The Pay Table

The pay table is easily seen from the rule screens. That is why the first video shows me running through it. There are three types of symbols: the 7s, the fruits, and the bonus. Three to five of the the same colored 7 symbol is a win. In addition, three to five mixed 7 symbols is a lesser win. There are also wins for three to five fruits, but no win for mixed fruits. However, there is a 'wild fruit' symbol, which can substitute for any fruit. The player is also paid for 1 to 5 wild fruit symbols. All sevens and fruit wins are left aligned, meaning that all wins start with the left-most reel. The player is paid the highest award per line.

Following is the complete pay table.

Jackpot Party Pay Table

Symbol5 pays4 pays3 pays2 pays1 pays
Jackpot 7500010040
Green 72505025
Blue 72005020
Mixed 7100405
Wild Fruit2000501052

Step Four - Line Pay Math

The next table shows the number of combinations for each possible win. If you tried to replicate this table it may not come out the same, because some wins can be scored equally two different ways. For example, wild fruit-wild fruit-cherry-blue 7-watermelon wins 5 for either two wild fruit or three cherries. Cells are left blank if they don't produce a win.

The wild symbol and mixed seven wins make a mathematical analysis of line pay wins tedious, complicated, and error prone. In my strong opinion, the safest and easiest way to analyze the line pay wins is to score every possible outcome with five nested loops.

The lower right cell shows the total winning combinations is 1,516,294. There are 26×29×26×29×26 = 14,781,416 total possible combinations in Jackpot Party. That makes the hit frequency per line 1,516,294/14,781,416 = 10.258%. In other words, the probability the player will win something on any given line is 10.3%.

Jackpot Party Line Pay Combinations

Jackpot 74801,1441,228
Green 7242403,4323,696
Blue 7543603,4323,846
Wild Fruit22257215,080980,200995,876
Mixed 75,21016,96064,06486,234

The next table shows the probability of each possible win. This is simply the number of combinations in each cell above divided by the total number of combinations of 14,781,416.

Jackpot Party Line Pay Probabilities

Jackpot 70.000000270.000005410.000077390.00008308
Green 70.000001620.000016240.000232180.00025004
Blue 70.000003650.000024350.000232180.00026019
Wild Fruit0.000000140.000001490.000038700.001020200.066313000.06737352
Mixed 70.000352470.001147390.004334090.00583395

The next table shows the product of each winning probability and what it pays. The lower right cell shows that the player can expect to win 59.60% of his bet per spin from line pays.

Jackpot Party Line Pay Returns

Jackpot 70.001353050.000541220.003095780.00499005
Green 70.000405920.000811830.005804590.00702233
Blue 70.000730650.001217750.004643670.00659206
Wild Fruit0.000270610.000074420.000386970.005101000.132625990.13845899
Mixed 70.035246960.045895470.021670450.10281288

Step Five - The Bonus

There are two 'party' symbols on reels 1, 3, and 5. If the player gets one on all three reels, then he will play the bonus. Note that the party symbols don't need to be on the same line. It is scored as a 'scatter' symbol, meaning it can be anywhere to get credit for it.

You can see an example of a bonus round at the 3:20 point in the first video.


In the bonus round there are 30 gifts. The player will keep picking gifts and accumulating the money inside them until he selects a 'Party Pooper.' There are six Party Poopers. Even the Party Poopers have a minimum win of 1. The following table shows how all the prizes are distributed. All prizes are relative to the total amount bet on the initiating spin.

Jackpot Party Prizes

Party Pooper + 16

The next table shows the probability of 0 to 25 picks in the bonus round, including the bonus ending Party Pooper pick. The probability of exactly n picks is permut(24,n-1)×6/permut(30,n), which is the number of ways to pick n-1 successful picks out of 24, times the 6 ways to pick the Party Pooper, divided by the number of ways to pick n items out of 30.

The right column shows the product of the probability and number of picks. The lower right cell is sum of the expected number of picks, which shows the average number of picks is 4.428571.

Number Picks in Bonus


By the way, a handy formula for the expected number of picks for the general case of n total icons and p Party Poopers is (n+1)/(p+1). In this case it would be (30+1)/(6+1) = 4.428571.

Jackpot Party Free Bonus Coins

The total prize money in the bonus is 150. Of that 150, 6 is accompanied with Party Poopers, so 144 of it is what I would call safe money. There are 30-6=24 safe picks. So the average safe pick award is 144/24=6.

As shown above, the average number of total picks is 4.428571. However, one of those is the Party Pooper, so there would be 3.428571 safe picks, on average.

So, the average win before the Party Pooper would be (average win)*(number safe picks) = 6 × 3.428571 = 20.571429. Then add 1 for the Party Pooper consolation prize and the average bonus win is 21.571429.

The bonus is triggered if the player gets the Party symbol anywhere on reels 1, 3, and 5. There are 26 symbols on each of those reels. There are two Party symbols on each odd-numbered reel and three positions visible on each reel. So the probability of a Party symbol on any odd-numbered reel is 2×3/26 = 23.08%. The probability of getting the Party symbol on all three reels is (6/26)3 = 0.0122895, or 1 in 81.4.

The bonus return is (bonus probability)×(average bonus win) = 0.0122895 × 21.571429 = 0.265102.

Step Six — Summary

I've shown that the player can expect to win 59.601% of his bet from line pays and 26.510% from the bonus. Taking the sum, the total return for the game is 86.111%. In other words, the house edge is 13.889%.

An 86% return is pretty low for a slot machine. However, it doesn't come as a surprise to me. This is a penny game in a luxury casino, which both work against a high return. This does not mean that Jackpot Party is always set to 86%. The slot maker, WMS, would have other versions available, letting the slot director choose which program chip, known as an EPROM, to put into the machine.

The purpose of this page was not to embarrass anybody but to show an actual example of how a slot machine works. Best slot machines at downstream casino.

More Deconstructions

I have deconstructed lots of slot machines. Here is a list of them:

  • Deconstructing Jackpot Party analysis of the video slot machine.
  • Deconstructing Lion's Share analysis of the classic MGM progressive game.
  • Deconstructing Cleopatra analysis of the popular IGT game.
  • Deconstructing Lionfish analysis of the slot game found on many Game Maker machines.
  • Deconstructing Megabucks.
  • Deconstructing the Atkins Diet slot machine.
  • Deconstructing Lucky Larry's Lobstermania.
  • Deconstructing Hexbreaker.
  • Deconstructing Blazing Sevens.
  • Deconstructing Hot Roll.

Written by: Michael Shackleford

Have you ever wanted to visit Las Vegas just to play those exciting casino gambling games? Or maybe you don’t like to play with your luck and gambling is not for you?

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As described on their web page by using Jackpot Party you can bring the full (being more honest just a part) of the Vegas experience wherever you go just using your Smartphone.

Keep reading this article and in the end, you’ll discover a legit hack to easily get free coins for Jackpot Party Casino without using any shady cheats or coins generator. But before telling about my honest hack to get tons of free coins quickly, I’ll write a short review explaining what is Jackpot Party Casino and how does it work.

What is and how do Jackpot Party Casino work?

Basically, Jackpot Party Casino is a very popular app for Android and iPhone that you can download and install for free that offers a virtual experience of a Casino, at least this is essentially what is described at their download page.

There are several games, jackpots, and features available to earn coins, prizes, and real money:

  • Spin the wheel game
  • Slot machines & fruit machines
  • Slots games
  • Just to name a few, there are others.

How to get started using the Jackpot Party Casino game?

The first step is to download and install the game on your cellphone. Jackpot Party Casino is available for Android and iOS and you also can play the game directly on your Facebook account.

To download the app, just go here on the download page and you’ll be redirected to the download page.

After you had it installed, you can immediately start playing the games and jackpots slots without any other additional step.


As stated on their terms of service you must be 21 years old and it’s not clear, but it looks like people from the United States are not allowed to use this app.

My legit Jackpot Party Casino hack to earn tons of coins for free

Honestly, I don’t enjoy playing any type of casino games (I have other hobbies), but the fact is that from what I hear these types of Casino games are very addictive and fun, so it’s a great source of entertainment for many people when they are at home.

And for being so fun and addictive there’s a huge number of people desperate to get free coins on Jackpot Party Casino. So you might be asking if there’s a legit way to earn tons of free coins for Jackpot Party Casino?

Super Jackpot Party

As I explain above there are fake hacks promising to give you unlimited free coins on Jackpot Party casino, but they are not worth your time.

Game Hunter Jackpot Party Bonus Collector

Below are two honest “hacks” that are real and can give you almost unlimited free coins for Jackpot Party Casino:

  • 6,000,000 free coins as a bonus just for installing the Jackpot Party Casino app on your phone: But have in mind that this is available on your first install. So if you think that you could easily cheat the app installing and uninstalling, this dishonest will not work and you’ll only waste your precious time.
  • Referring new users to join Jackpot Party Casino: They used to offer referral bonuses every time that you invite someone to join Jackpot Party using your referral code. Bonuses can vary from time to time, the last time I heard they were giving you £20 per referral. Just pay attention that this value can change at any time.
  • Promo codes: if you check their Facebook or Twitter account, you’ll notice that they constantly give Promo codes and you can easily earn tons of free coins.

Is there a Jackpot Party Casino app hack to download to generate unlimited coins?

If you make a search on Google you will find some shady websites offering a free hack to download that promises to work as a coins generator, that possible could generate unlimited coins for Jackpot Party Casino app…

My small advice: stay away from any cheats, hack apk or Jackpot Party Casino software promising to give you unlimited free coins and slots to play on this game, simply because they are all fake and will not work.

Many of them will ask you to complete a survey to unlock the full download of the hack, and with no survey completed you will not be able to download their fake and stupid free coins hack, codes, cheats or apk coins generator for Jackpot Party Casino.

This tip is valid if you are using the app on Android or iPhone and even on Facebook.

Another issue that you should be careful is that if you find a glitch using Jackpot Party Casino on Facebook, you have a remote chance to have your personal data on Facebook stolen if you use it to play the game, so it’s important to not reveal and important info your Facebook profile.


Jackpot Party Slot Bonus

If you think this is a fun app and are looking for a legit way that really works to get free coins on Jackpot Party Casino, my recommendation is to use the honest hacks described above.

Jackpot Party Bonus Free Slots

On the contrary, using any shady hacks will be a waste of time and the only way to get more coins and slots is by buying them or referring new users to this app and earn the bonuses.