# US 2025/0095447 A1 · Gaming system and method providing free plays of a game with increasing quantities of paylines > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0095447 A1 - Document ID: US20250095447A1 - Status: Published application - Kind: A1 - Application number: 18/969,738 - Filed: 2024-12-05 - Published: 2025-03-20 - Earliest claimed: 2019-10-08 - Assignees: Igt - Applicants: Igt - Inventors: Craig Schaefer - Web page: https://patentgrep.com/patent/US20250095447A1 ## CPC - G07F 17/3267: {Game outcomes which determine the course of the subsequent game, e.g. double or quits, free games, higher payouts, different new games} - G07F 17/3209: {Input means, e.g. buttons, touch screen} - G07F 17/3213: {Details of moving display elements, e.g. spinning reels, tumbling members} - G07F 17/3223: {Architectural aspects of a gaming system, e.g. internal configuration, leader-follower, wireless communication} - G07F 17/3225: {Data transfer within a gaming system, e.g. data sent between gaming machines and users} - G07F 17/3244: {Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes} - G07F 17/3239: {Tracking of individual players} - G07F 17/3241: {Security aspects of a gaming system, e.g. detecting cheating, device integrity, surveillance (computer security G06F21/00)} - G07F: COIN-FREED OR LIKE APPARATUS (coin sorting G07D3/00; coin testing G07D5/00; {handling coins or paper currencies apart from payment activated apparatus G07D; payment architectures, schemes or protocols G06Q20/00}) ## Abstract Gaming systems and methods for providing free plays of a game with increasing quantities of paylines, wherein for each of a plurality of free plays of a game of a free game sequence, any awards for the displayed plurality of symbols for that free play of the game are based on a quantity of paylines associated with the symbol display positions for that free play of the game, wherein the quantity of paylines for that free play of the game is greater than a previous quantity of paylines for a previous free play of the game of the sequence by a determined quantity of additional paylines. ## Claims ### Claim 1 A method of operating a gaming system comprising a housing comprising an access door, a security monitoring circuit supported by the housing and configured to monitor the access door, a power distribution component supported by the housing, a display device supported by the housing, a speaker supported by the housing, a sound card supported by the housing and operable with the speaker, a payment device supported by the housing, a touch screen input device supported by the housing and operable with the display device, a wagering input device supported by the housing, a cashout input device supported by the housing, a processor, and a memory device, the method comprising: for each of a plurality of free plays of a game of a sequence: randomly determining, via at least one of a random number generator and a pseudo-random number generator, a plurality of symbols of a plurality of reels, causing a display, via the display device, of the plurality of randomly determined symbols of the plurality of reels at a plurality of symbol display positions associated with the plurality of reels, determining any award for the displayed plurality of symbols based on a quantity of paylines associated with the symbol display positions for that free play of the game, wherein the quantity of paylines is greater than a previous quantity of paylines for a previous free play of the game of the sequence by a determined quantity of additional paylines, and wherein the determined quantity of additional paylines is randomly determined independent of the plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and wherein the quantity of paylines excludes one of the paylines from the previous free play of the game of the game sequence, and causing a display, via the display device, of any determined award for that free play of the game. ### Claim 2 (depends on 1) The method of operating a gaming system of claim 1, which comprises, for each of a plurality of free plays of the game of the sequence, causing the quantity of paylines associated with the symbol display positions for that free play of the game to exclude one of the paylines from each of the previous free plays of the game of the sequence. ### Claim 3 (depends on 1) The method of operating a gaming system of claim 1, which comprises randomly determining each of the quantities of additional paylines. ### Claim 4 (depends on 3) The method of operating a gaming system of claim 3, which comprises, for each of the plurality of free plays of the game of the sequence, determining any award for the displayed plurality of symbols based on the quantity of paylines associated with the symbol display positions for that free play of the game, wherein the quantity of paylines is greater than each of the previous quantities of paylines for each of the previous free plays of the game of the sequence. ### Claim 5 (depends on 1) The method of operating a gaming system of claim 1, which comprises, for one of the free plays of the game, causing a display, via the display device, of a plurality different possible quantities of additional paylines for that free play of the game before determining one of those different possible quantities of additional paylines for that free play of the game. ### Claim 6 (depends on 1) The method of operating a gaming system of claim 1, which comprises, for one of the plurality of free plays of the game, causing a display, via the display device, of a plurality of additional symbol display positions associated with the plurality of reels, and causing a display, via the display device, of a plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions and the plurality of additional symbol display positions. ### Claim 7 (depends on 1) The method of operating a gaming system of claim 1, which comprises accumulating designated symbols during the free plays of the game of the sequence, and responsive to an occurrence of a triggering event associated with the accumulated designated symbols, increase a quantity of the free plays of the game of the sequence. ### Claim 8 (depends on 1) The method of operating a gaming system of claim 1, which comprises, as a result of a physical item being received via an acceptor of the gaming system, modifying a credit balance based on a monetary value associated with the received physical item, and as a result of a cashout input being received, causing an initiation of any payout associated with the credit balance. ### Claim 9 A method of operating a gaming system comprising a housing comprising an access door, a security monitoring circuit supported by the housing and configured to monitor the access door, a power distribution component supported by the housing, a display device supported by the housing, a speaker supported by the housing, a sound card supported by the housing and operable with the speaker, a payment device supported by the housing, a touch screen input device supported by the housing and operable with the display device, a wagering input device supported by the housing, a cashout input device supported by the housing, a processor, and a memory device, the method comprising: causing a display, via the display device, of a first free play of a game of a sequence, the first free play of the game comprising: a first random determination, via at least one of a random number generator and a pseudo-random number generator, of a first plurality of symbols of a plurality of reels, a first display, via the display device, of the first plurality of randomly determined symbols of the plurality of reels at a plurality of symbol display positions associated with the plurality of reels, a first determination of a first award for the displayed first plurality of symbols based on a first quantity of paylines associated with the symbol display positions for the first free play of the game, wherein the first quantity of paylines comprises a base quantity of paylines and a randomly determined first quantity of additional paylines, and wherein the randomly determined first quantity of additional paylines is determined independent of the first plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a first display, via the display device, of the first award for the first free play of the game; causing a display, via the display device, of a second free play of the game of the sequence, the second free play of the game comprising: a second random determination, via at least one of the random number generator and the pseudo-random number generator, of a second plurality of symbols of the plurality of reels, a second display, via the display device, of the second plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions associated with the plurality of reels, a second determination of a second award for the displayed second plurality of symbols based on a second quantity of paylines associated with the symbol display positions for the second free play of the game, wherein the second quantity of paylines comprises the base quantity of paylines less a designated quantity of paylines, wherein the designated quantity is at least one, the randomly determined first quantity of additional paylines, and the randomly determined second quantity of additional paylines, and wherein the randomly determined second quantity of additional paylines is determined independent of the second plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a second display, via the display device, of the second award for the second free play of the game; and causing a display, via the display device, of a third free play of the game of the sequence, the third free play of the game comprising: a third random determination, via at least one of the random number generator and the pseudo-random number generator, of a third plurality of symbols of the plurality of reels, a third display, via the display device, of the third plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions associated with the plurality of reels, a third determination of a third award for the displayed third plurality of symbols based on a third quantity of paylines associated with the symbol display positions for the third free play of the game, wherein the third quantity of paylines comprises the base quantity of paylines less the designated quantity of paylines, the randomly determined first quantity of additional paylines, the randomly determined second quantity of additional paylines, and the randomly determined third quantity of additional paylines, and wherein the randomly determined third quantity of additional paylines is determined independent of the third plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a third display, via the display device, of the third award for the third free play of the game. ### Claim 10 (depends on 9) The method of operating a gaming system of claim 9, which comprises, for each of the free plays of the game, causing a display, via the display device, of a plurality different possible quantities of additional paylines for that free play of the game before randomly determining one of those quantities of additional paylines for that free play of the game. ### Claim 11 (depends on 9) The method of operating a gaming system of claim 9, which comprises, for one of the plurality of free plays of the game, causing a display, via the display device, of a plurality of additional symbol display positions associated with the plurality of reels, and causing a display, via the display device, of a plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions and the plurality of additional symbol display positions. ### Claim 12 (depends on 9) The method of operating a gaming system of claim 9, which comprises accumulating designated symbols during the free plays of the game, and responsive to an occurrence of a triggering event associated with the accumulated designated symbols, for one of the plurality of free plays of the game of the sequence, determining an additional award for the displayed plurality of symbols based on an additional quantity of paylines associated with the symbol display positions for that free play of the game. ### Claim 13 (depends on 9) The method of operating a gaming system of claim 9, which comprises accumulating designated symbols during the free plays of the game, and responsive to an occurrence of a triggering event associated with the accumulated designated symbols, increasing a quantity of the free plays of the game of the sequence. ### Claim 14 A method of operating a gaming system comprising a housing comprising an access door, a security monitoring circuit supported by the housing and configured to monitor the access door, a power distribution component supported by the housing, a display device supported by the housing, a speaker supported by the housing, a sound card supported by the housing and operable with the speaker, a payment device supported by the housing, a touch screen input device supported by the housing and operable with the display device, a wagering input device supported by the housing, a cashout input device supported by the housing, a processor, and a memory device, the method comprising: causing a display, via the display device, of a first free play of a game of a sequence, the first free play of the game comprising: a first random determination, via at least one of a random number generator and a pseudo-random number generator, of a first plurality of symbols of a plurality of reels, a first display, via the display device, of the first plurality of randomly determined symbols of the plurality of reels at a plurality of symbol display positions associated with the plurality of reels, a first determination of a first award for the displayed first plurality of symbols based on a first quantity of paylines associated with the symbol display positions for the first free play of the game, wherein the first quantity of paylines comprises a base quantity of paylines and a randomly determined first quantity of additional paylines, and wherein the randomly determined first quantity of additional paylines is determined independent of the first plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a first display, via the display device, of the first award for the first free play of the game; causing a display, via the display device, of a second free play of the game of the sequence, the second free play of the game comprising: a second random determination, via at least one of the random number generator and the pseudo-random number generator, of a second plurality of symbols of the plurality of reels, a second display, via the display device, of the second plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions associated with the plurality of reels, a second determination of a second award for the displayed second plurality of symbols based on a second quantity of paylines associated with the symbol display positions for the second free play of the game, wherein the second quantity of paylines comprises the base quantity of paylines, the randomly determined first quantity of additional paylines less a first designated quantity of paylines, wherein the first designated quantity is at least one, and the randomly determined second quantity of additional paylines, and wherein the randomly determined second quantity of additional paylines is determined independent of the second plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a second display, via the display device, of the second award for the second free play of the game; and causing a display, via the display device, of a third free play of the game of the sequence, the third free play of the game comprising: a third random determination, via at least one of the random number generator and the pseudo-random number generator, of a third plurality of symbols of the plurality of reels, a third display, via the display device, of the third plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions associated with the plurality of reels, a third determination of a third award for the displayed third plurality of symbols based on a third quantity of paylines associated with the symbol display positions for the third free play of the game, wherein the third quantity of paylines comprises the base quantity of paylines, the randomly determined first quantity of additional paylines less the first designated quantity of paylines, the randomly determined second quantity of additional paylines less a second designated quantity of paylines, wherein the second designated quantity is at least one, and the randomly determined third quantity of additional paylines, and wherein the randomly determined third quantity of additional paylines is determined independent of the third plurality of randomly determined symbols displayed at the plurality of symbol display positions associated with the plurality of reels, and causing a third display, via the display device, of the third award for the third free play of the game. ### Claim 15 (depends on 14) The method of operating a gaming system of claim 14, which comprises, for each of the free plays of the game, causing a display, via the display device, of a plurality different possible quantities of additional paylines for that free play of the game before randomly determining one of those quantities of additional paylines for that free play of the game. ### Claim 16 (depends on 14) The method of operating a gaming system of claim 14, which comprises, for one of the plurality of free plays of the game, causing a display, via the display device, of a plurality of additional symbol display positions associated with the plurality of reels, and causing a display, via the display device, of a plurality of randomly determined symbols of the plurality of reels at the plurality of symbol display positions and the plurality of additional symbol display positions. ### Claim 17 (depends on 14) The method of operating a gaming system of claim 14, which comprises accumulating designated symbols during the free plays of the game, and responsive to an occurrence of a triggering event associated with the accumulated designated symbols, for one of the plurality of free plays of the game of the sequence, determining an additional award for the displayed plurality of symbols based on an additional quantity of paylines associated with the symbol display positions for that free play of the game. ### Claim 18 (depends on 14) The method of operating a gaming system of claim 14, which comprises accumulating designated symbols during the free plays of the game, and responsive to an occurrence of a triggering event associated with the accumulated designated symbols, increasing a quantity of the free plays of the game of the sequence. ### Claim 19 (depends on 14) The method of operating a gaming system of claim 14, wherein the first designated quantity is equal to the second designated quantity. ### Claim 20 (depends on 14) The method of operating a gaming system of claim 14, wherein the first designated quantity is different than the second designated quantity.