- Lucky Larry Lobstermania Free Online
- Free Larry The Lobster Slot Games
- Lobstermania Free Slots Game Lgt
- Free Lucky Larry Lobster 3
- Larry The Lobster Song Lyrics
- Slotomania Lobstermania
- Larry The Lobster Casino Game
- Appendices
- Slots Analysis
- Miscellaneous
Lucky Larry’s Lobstermania is a 5 reel, 25 payline maritime-themed video slot from IGT. I doubt you will be surprised to find out that this is one of the popular Vegas casino slots. With all the high-paying symbols and features represented by a lobster image, you stand a good chance of becoming a lobstermaniac yourself. Lucky Larry’s Lobstermania – Overview. Alongside his crustacian comrades Larry brings you all the luck in this free animated online player by IGT. Special symbols boost payouts in the base game whilst the unique Bonus round involves trawling the seabed for prizes assisted by our Lobster hero Larry. Experience the thrilling adventure of catching lobster in the open waters when you play Lucky Larry’s Lobstermania 2 Slot Game. Featuring nautical images and lots of chances to win extra bonus rounds, Lucky Larry’s Lobstermania 2 Slot is the sequel to the original Lobstermania which turned out to be a very popular slot game.
Introduction
In my continued effort to lift the veil of secrecy behind slot machines, I present the following analysis of the IGT game Lucky Larry's Lobstermania. The information regarding the design of this game is taken from the academic paper PAR Sheets, probabilities, and slot machine play: Implications for problem and non-problem gambling by Kevin A. Harrigan and Mike Dixon, University of Waterloo, Waterloo, Ontario, Canada.
The authors of the paper obtained par sheets for the game through the Canadian Freedom of Information and Protection of Privacy Act. Caesars palace las vegas lost and found. I applaud the government of Canada for this release. The purpose of this page is to further the analysis of Lobstermania beyond what was presented in the Harrigan and Dixon paper.
It should be noted there are other versions of Lobstermania besides this one. As far as I can tell they differ by small changes to the pay table and details of the bonus round.
Reel Strips
Harrigan and Dixon give the symbol distribution for two Lobstermania par sheets, one for 85.0% and the other for 96.2%. Both are presented below. Notice how the 96.2% version has more high-paying symbols and that any given symbol is distributed more uniformly across the 5 reels. To illustrate that the distribution is more choppy in the 85.0% version, notice that the number of clams per reel on the 85.0% version is 10,8,3,4,7. On the 96.2%, the distribution is 6-6-5-6-6. However, the number of key symbols (wild, scatter and bonus) are the same in both games.
Lobstermania Symbol Distribution — 85.0%
Symbol | Reel 1 | Reel 2 | Reel 3 | Reel 4 | Reel 5 |
---|---|---|---|---|---|
Wild | 2 | 2 | 1 | 4 | 2 |
Logo | 4 | 3 | 3 | 3 | 4 |
Buoy | 3 | 4 | 3 | 8 | 5 |
Boat | 4 | 3 | 4 | 3 | 4 |
Light House | 3 | 4 | 6 | 3 | 7 |
Tuna | 4 | 3 | 6 | 6 | 6 |
Clam | 10 | 8 | 3 | 4 | 7 |
Sea Gull | 3 | 9 | 4 | 10 | 5 |
Star Fish | 10 | 3 | 10 | 7 | 8 |
Bonus | 2 | 5 | 6 | 0 | 0 |
Scatter | 2 | 2 | 2 | 2 | 2 |
Total | 47 | 46 | 48 | 50 | 50 |
Lobstermania Symbol Distribution — 96.2%
Symbol | Reel 1 | Reel 2 | Reel 3 | Reel 4 | Reel 5 |
---|---|---|---|---|---|
Wild | 2 | 2 | 1 | 4 | 2 |
Logo | 4 | 4 | 3 | 4 | 4 |
Buoy | 4 | 4 | 5 | 4 | 5 |
Boat | 6 | 4 | 4 | 4 | 4 |
Light House | 5 | 4 | 6 | 6 | 7 |
Tuna | 6 | 4 | 5 | 6 | 7 |
Clam | 6 | 6 | 5 | 6 | 6 |
Sea Gull | 5 | 6 | 5 | 6 | 6 |
Star Fish | 5 | 5 | 6 | 8 | 7 |
Bonus | 2 | 5 | 6 | 0 | 0 |
Scatter | 2 | 2 | 2 | 2 | 2 |
Total | 47 | 46 | 48 | 50 | 50 |
Harrigan and Dixon do not indicate the exact reel stripping. However, as long as the scatter symbols are not so close on the same reel that they can appear at the same time, the symbol order does not matter for this game, as well as for most video slots. The following reel stripping is hypothetical, based on the 85.0% version.
Lobstermania Symbol Distribution — 85.0% Reel Strips
Symbol | Reel 1 | Reel 2 | Reel 3 | Reel 4 | Reel 5 |
---|---|---|---|---|---|
1 | Tuna | Clam | Boat | Sea Gull | Clam |
2 | Star Fish | Buoy | Star Fish | Tuna | Wild |
3 | Clam | Light House | Clam | Buoy | Boat |
4 | Light House | Clam | Bonus | Sea Gull | Logo |
5 | Scatter | Buoy | Light House | Scatter | Buoy |
6 | Clam | Light House | Boat | Buoy | Star Fish |
7 | Star Fish | Bonus | Logo | Star Fish | Light House |
8 | Bonus | Sea Gull | Star Fish | Sea Gull | Tuna |
9 | Logo | Clam | Bonus | Tuna | Star Fish |
10 | Scatter | Boat | Light House | Wild | Light House |
11 | Buoy | Sea Gull | Star Fish | Buoy | Sea Gull |
12 | Clam | Tuna | Bonus | Tuna | Wild |
13 | Star Fish | Boat | Tuna | Star Fish | Tuna |
14 | Buoy | Bonus | Star Fish | Logo | Buoy |
15 | Clam | Star Fish | Clam | Sea Gull | Boat |
16 | Star Fish | Sea Gull | Sea Gull | Tuna | Clam |
17 | Logo | Wild | Star Fish | Wild | Tuna |
18 | Light House | Bonus | Wild | Logo | Buoy |
19 | Clam | Sea Gull | Bonus | Light House | Star Fish |
20 | Wild | Light House | Light House | Buoy | Clam |
21 | Sea Gull | Logo | Sea Gull | Sea Gull | Scatter |
22 | Star Fish | Wild | Star Fish | Boat | Buoy |
23 | Wild | Buoy | Tuna | Clam | Star Fish |
24 | Bonus | Clam | Clam | Star Fish | Tuna |
25 | Clam | Bonus | Boat | Light House | Clam |
26 | Boat | Sea Gull | Tuna | Sea Gull | Buoy |
27 | Star Fish | Clam | Star Fish | Boat | Boat |
28 | Tuna | Scatter | Bonus | Clam | Light House |
29 | Clam | Logo | Tuna | Buoy | Tuna |
30 | Star Fish | Tuna | Light House | Sea Gull | Logo |
31 | Tuna | Sea Gull | Star Fish | Boat | Light House |
32 | Logo | Scatter | Scatter | Light House | Sea Gull |
33 | Clam | Star Fish | Light House | Star Fish | Clam |
34 | Star Fish | Clam | Logo | Tuna | Logo |
35 | Boat | Boat | Sea Gull | Sea Gull | Star Fish |
36 | Light House | Logo | Star Fish | Buoy | Boat |
37 | Clam | Sea Gull | Scatter | Star Fish | Light House |
38 | Star Fish | Clam | Buoy | Clam | Tuna |
39 | Boat | Bonus | Tuna | Buoy | Sea Gull |
40 | Tuna | Star Fish | Logo | Sea Gull | Star Fish |
41 | Buoy | Sea Gull | Bonus | Star Fish | Light House |
42 | Sea Gull | Buoy | Star Fish | Clam | Clam |
43 | Logo | Light House | Light House | Logo | Logo |
44 | Clam | Clam | Sea Gull | Wild | Sea Gull |
45 | Star Fish | Tuna | Buoy | Buoy | Star Fish |
46 | Boat | Sea Gull | Boat | Sea Gull | Clam |
47 | Sea Gull | Tuna | Star Fish | Sea Gull | |
48 | Buoy | Scatter | Light House | ||
49 | Tuna | Scatter | |||
50 | Wild | Star Fish |
The way the game would work would be to choose 5 random numbers, one for each reel, and map each random number to a position on the corresponding reel. For example, for reel 1 the game would draw a number from 1 to 47. For example, suppose this number were mapped to the symbol in the top row. If the random number for reel 1 were 37, then the symbols shown on reel 1 would be a Clam on top row, a Star Fish in the middle row, and a Boat on bottom row.
Pay Table
The next table shows the Lobstermania pay table. All wins must be left aligned. The wild symbol can substitute for any line-pay symbol.
Lobstermania Pay Table
Symbol | 5 in a row | 4 in a row | 3 in a row | 2 in a row |
---|---|---|---|---|
Wild | 10000 | 500 | 100 | 5 |
Logo | 1000 | 200 | 40 | 2 |
Buoy | 500 | 100 | 25 | |
Boat | 500 | 100 | 25 | |
Light House | 500 | 50 | 10 | |
Tuna | 250 | 50 | 10 | |
Clam | 200 | 30 | 5 | |
Sea Gull | 200 | 30 | 5 | |
Star Fish | 150 | 30 | 5 |
Line Pay Math
There are 47 × 46 × 48 × 50 × 50 = 259,440,000 possible outcomes in Lobstermania. The following table shows how many of these combinations result in each possible win. These figures are the result of a program with five nested loops that tallied the total for each win for each possible combination.
Lobstermania Line Pay Combinations
Symbol | 5 in a row | 4 in a row | 3 in a row | 2 in a row | Total |
---|---|---|---|---|---|
Wild | 32 | 704 | 7,300 | 212,000 | 220,036 |
Logo | 5,008 | 36,256 | 249,400 | 2,860,000 | 3,150,664 |
Buoy | 9,968 | 59,856 | 220,400 | 290,224 | |
Boat | 6,204 | 44,968 | 313,900 | 365,072 | |
Light House | 13,086 | 59,122 | 442,900 | 515,108 | |
Tuna | 16,672 | 86,520 | 412,000 | 515,192 | |
Clam | 34,416 | 156,128 | 974,400 | 1,164,944 | |
Sea Gull | 26,838 | 163,142 | 459,000 | 648,980 | |
Star Fish | 72,440 | 288,640 | 1,201,200 | 1,562,280 | |
Total | 184,664 | 895,336 | 4,280,500 | 3,072,000 | 8,432,500 |
The next table shows the probability of each possible win. This is the number of winning combinations for that win, shown in the table above, divided by the total number of combinations of 259,440,000. The total in the lower right cell reflects a hit frequency per line (probability of winning anything) of 3.25%.
Lobstermania Line Pay Probabilities
Symbol | 5 in a row | 4 in a row | 3 in a row | 2 in a row | Total |
---|---|---|---|---|---|
Wild | 0.00000012 | 0.00000271 | 0.00002814 | 0.00081714 | 0.00084812 |
Logo | 0.00001930 | 0.00013975 | 0.00096130 | 0.01102374 | 0.01214409 |
Buoy | 0.00003842 | 0.00023071 | 0.00084952 | 0.00111866 | |
Boat | 0.00002391 | 0.00017333 | 0.00120991 | 0.00140715 | |
Light House | 0.00005044 | 0.00022788 | 0.00170714 | 0.00198546 | |
Tuna | 0.00006426 | 0.00033349 | 0.00158804 | 0.00198578 | |
Clam | 0.00013265 | 0.00060179 | 0.00375578 | 0.00449023 | |
Sea Gull | 0.00010345 | 0.00062882 | 0.00176920 | 0.00250146 | |
Star Fish | 0.00027922 | 0.00111255 | 0.00462997 | 0.00602174 | |
Total | 0.00071178 | 0.00345103 | 0.01649900 | 0.01184089 | 0.03250270 |
The next table shows the contribution to the return for each possible win. Each cell is the product of the probability, from the table above, and the pay table. The right cell shows a total return from line pays of 55.28%.
Lobstermania Line Pay Probabilities
Symbol | 5 in a row | 4 in a row | 3 in a row | 2 in a row | Total |
---|---|---|---|---|---|
Wild | 0.00123343 | 0.00135677 | 0.00281375 | 0.00408572 | 0.00948967 |
Logo | 0.01930311 | 0.02794943 | 0.03845205 | 0.02204749 | 0.10775208 |
Buoy | 0.01921061 | 0.02307123 | 0.02123805 | 0.06351989 | |
Boat | 0.01195652 | 0.01733272 | 0.03024784 | 0.05953708 | |
Light House | 0.02521970 | 0.01139416 | 0.01707138 | 0.05368525 | |
Tuna | 0.01606537 | 0.01667438 | 0.01588036 | 0.04862010 | |
Clam | 0.02653099 | 0.01805365 | 0.01877891 | 0.06336355 | |
Sea Gull | 0.02068918 | 0.01886471 | 0.00884598 | 0.04839986 | |
Star Fish | 0.04188252 | 0.03337650 | 0.02314986 | 0.09840888 | |
Total | 0.18209143 | 0.16807354 | 0.17647818 | 0.02613321 | 0.55277636 |
Scatter Pay
The player gets credit for a 'scatter pay' symbol if it appears anywhere on the screen. Scatter pay wins are based on the total amount bet. The following table shows the number of scatters per reel, total symbols per reel, and the probability of a scatter on that reel, which is 3×(column 2)/(column 3). The reason for multiplying by 3 is there are three visible positions on each reel.
Lobstermania Scatters per Reel
Reel | Scatters | Total Symbols on Reel | Scatter Probability |
---|---|---|---|
1 | 2 | 47 | 0.127660 |
2 | 2 | 46 | 0.130435 |
3 | 2 | 48 | 0.125000 |
4 | 2 | 50 | 0.120000 |
5 | 2 | 50 | 0.120000 |
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The next table shows the probability and contribution to the return for 0 to 5 total scatter symbols. The lower right cell shows that the scatter pay feature returns 10.65% to the return of the game.
Lobstermania Scatter Pay Probabilities and Returns
![Lobster Lobster](https://vignette.wikia.nocookie.net/spongebob/images/f/f2/Truth_or_Square_45.png/revision/latest?cb=20150712035524)
Scatters | Pays | Probability | Return |
---|---|---|---|
5 | 200 | 0.000030 | 0.005994 |
4 | 25 | 0.001054 | 0.026351 |
3 | 5 | 0.014821 | 0.074106 |
2 | 0 | 0.104168 | 0.000000 |
1 | 0 | 0.365929 | 0.000000 |
0 | 0 | 0.513998 | 0.000000 |
Total | 1.000000 | 0.106451 |
Bonus
The player earns the bonus if he gets the bonus symbol on reels 1, 2 and 3 on any active pay line. The following table shows the probability of getting the bonus symbol on each of the first three reels. The lower right cell shows the probability of activating the bonus on any active pay line is 0.06%, or 1 in 1,730. If the player plays the maximum 15 pay lines, then the bonus probability per spin is 0.87%, or 1 in 115.
Lobstermania Bonus Symbols per Reel
Reel | Bonus Symbols | Total Symbols on Reel | Bonus Probability |
---|---|---|---|
1 | 2 | 47 | 0.042553 |
2 | 5 | 46 | 0.108696 |
3 | 6 | 48 | 0.125000 |
Product | 0.000578 |
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There are three parts to the bonus game, as follows:
- Number of lobster traps.
- Number of lobsters per trap.
- Size/win of each lobster.
There are three possibilities for the number of lobster traps, 2, 3 and 4, each with equal probability. Thus, the expected number of traps is 3.
There are two possibilities for the number of lobsters per trap, 2 or 3, each with equal probability. Thus, the expected number of lobsters per trap is 2.5.
The prize per lobster can be anywhere from 5 to 250. Each prize has an associated weighting, as shown in the table below. The way the game might work is it would pick an integer from 1 to 322 and map it to a weight according to this table. Ooh and aah game. The bottom right cell shows an average win of 44.02 per lobster.
Lobstermania Bonus — Lobster Wins
Pays | Weight | Probability | Return |
---|---|---|---|
5 | 5 | 0.015528 | 0.077640 |
6 | 5 | 0.015528 | 0.093168 |
7 | 5 | 0.015528 | 0.108696 |
8 | 5 | 0.015528 | 0.124224 |
10 | 20 | 0.062112 | 0.621118 |
12 | 10 | 0.031056 | 0.372671 |
15 | 10 | 0.031056 | 0.465839 |
20 | 20 | 0.062112 | 1.242236 |
22 | 20 | 0.062112 | 1.366460 |
25 | 20 | 0.062112 | 1.552795 |
27 | 20 | 0.062112 | 1.677019 |
30 | 19 | 0.059006 | 1.770186 |
35 | 22 | 0.068323 | 2.391304 |
45 | 24 | 0.074534 | 3.354037 |
50 | 19 | 0.059006 | 2.950311 |
55 | 15 | 0.046584 | 2.562112 |
60 | 15 | 0.046584 | 2.795031 |
65 | 15 | 0.046584 | 3.027950 |
70 | 15 | 0.046584 | 3.260870 |
75 | 15 | 0.046584 | 3.493789 |
100 | 10 | 0.031056 | 3.105590 |
150 | 8 | 0.024845 | 3.726708 |
250 | 5 | 0.015528 | 3.881988 |
Total | 322 | 1.000000 | 44.021739 |
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The average win per bonus is (average traps)×(average lobsters per trap)×(average win per lobster) = 3 × 2.5 × 44.021739 = 330.163043.
The expected return for the bonus feature is (bonus probability) × (average win per bonus) = 0.000578168 × 44.021739 = 0.190890.
Summary
The following table summarizes the three ways to win in the game. The bottom right cell shows an expected return of 85.012%. In other words, for every dollar the player bets he can expect to get back 85¢.
Lobstermania Summary
Item | Return |
---|---|
Line Pays | 55.278% |
Scatter | 10.645% |
Bonus | 19.089% |
Total | 85.012% |
The Harrigan and Dixon paper mentioned they were given par sheets for seven versions of Lobstermania. The available returns were 85.0%, 87.5%, 90.0%, 92.5%, 94.0%, 95.0%, and 96.2%.
More Deconstructions
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Written by: Michael Shackleford
Lucky Larry's Lobstermania is a slot casino game where you bet on the outcome of five spinning reels. Match three or more symbols (or icons) on a win line to win a cash payout. Payouts increase depending on the number of matching symbols you have. Lobstermania also provides a bonus game, with cash prizes.
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Note:
- Your winnings will be credited to your account immediately.
- You will lose your bet amount if you have insufficient matching symbols.
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Each win line is represented by an Indicator light, displayed on either side of the reels. All these indicators are illuminated when the game is first displayed, meaning all lines are active. Click the up or down LINES arrow buttons to select the number of lines you want to play. Click the PAYTABLE button to view the 25 win lines.
To increase, or decrease, the amount you are going to bet on each line, click the up or down BET/LINE arrow buttons.
Remember that bets are accepted on a per line basis.
The total bet amount for your forthcoming game will be the bet per line multiplied by the number of lines you have chosen to play. For example, if you select a $2 bet and you decide to play 25 lines then the total amount bet on the next game will be (2x25) $50. This is shown in the TOTAL BET area.
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Click the PAYTABLE button to view payout values for each symbol.
Notes:
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- A single payment only is made per winning line. For example, five matching symbols pays out the value for five symbols and does not pay for four symbols or three symbols.
- A symbol can contribute to one or more win lines. The win line payouts are accumulated.