However, the number of key symbols (wild, scatter and bonus) are the same in both games. 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.

Notice how the 96.2% version has more high-paying symbols and that any given symbol is distributed more uniformly across the 5 reels. Harrigan and Dixon give the symbol distribution for two Lobstermania par sheets, one for 85.0% and the other for 96.2%. As far as I can tell they differ by small changes to the pay table and details of the bonus round. It should be noted there are other versions of Lobstermania besides this one. The purpose of this page is to further the analysis of Lobstermania beyond what was presented in the Harrigan and Dixon paper. I applaud the government of Canada for this release. The authors of the paper obtained par sheets for the game through the Canadian Freedom of Information and Protection of Privacy Act. Harrigan and Mike Dixon, University of Waterloo, Waterloo, Ontario, Canada. 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. 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.

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