The following are the significant rules to Hexbreak3r. When the reels are long enough, the game offers a player advantage. When the player earns a horseshoe on a reel that already has eight positions showing, the player will win something and that reel will reset to three positions. Whenever the player earns a horseshoe symbol, the reel will expand by at least one position, up to a four. The gist of the game is the number of symbols displayed on each reel varies, from 3 to 8. This make the game an advantage play sometimes. Hexbreak3r, also known as Hexbreaker 3, is a popular slot game by IGT that is sometimes in a positive state. Must-Hit-By Progressives on Ainsworth Slots.Shopping Spree Jackpot at $4 Million Does it Have a Positive Expected Value?.Deconstructing the Atkins Diet Slot Machine.3d: Slot Machine Return Percentages for Henderson/Lake Mead Casinos.3c: Slot Machine returns in Tunica, MS (Mississippi).3b: Slot Machine Return Percentages in Jean & Primm, Nevada.2: How to Calculate the Return for a Slot Machine.