Electronic gaming machine with a bonus series outcome having a randomly selected pathway for symbol transformation
View Patent ↗A gaming machine has a display and a game controller arranged to control images of symbols displayed on the display device. The game controller is arranged to play a game in which at least one random event is caused to be displayed on the display device. If a predefined winning event occurs, the machine awards a prize to a player. When a trigger condition occurs in a base game of the game, a bonus game feature is awarded comprising a series of bonus games. If a particular special symbol outcome occurs during any of the bonus games, the particular special symbol outcome is collected towards a jackpot prize awarding event.
1. An electronic gaming machine comprising:
a credit input device;
a sensor operable with the credit input device to communicate an input signal associated with establishing a credit balance;
a display device;
a player interface that is manually operable; and
a controller comprising at least one processor and a memory storing a set of bonus game symbols including a plurality of special symbols, and instructions, which, when executed, cause the at least one processor to at least:
in response to the sensor communicating the input signal associated with establishing the credit balance, control the display device to display a bonus game feature in response to an occurrence of a trigger condition in a base game, the bonus game feature comprising a series of bonus games, and
during each of the series of bonus games:
randomly select a plurality of symbols from the set of bonus game symbols based on one or more random numbers generated by a random number generator,
control the display device to display the symbols selected,
determine if the symbols displayed include at least one special symbol,
in response to determining the symbols displayed include the at least one special symbol, control the display device to flash the at least one special symbol,
receive a manual selection at the player interface, of the at least one special symbol being flashed on the display device during play of the series of bonus games,
animate the at least one special symbol selected on the display to reveal a special symbol outcome including one of a bonus credit prize symbol, a bonus game feature symbol, and a jackpot symbol, wherein the special symbol outcome is associated with a position on a pathway randomly selected based on an increase in the credit balance,
illuminate a part of a jackpot counter if the special symbol outcome is the jackpot symbol, and
control the display device to display a winning of a jackpot prize when all parts of the jackpot counter have been illuminated.
2. The electronic gaming machine of claim 1 , wherein the instructions, when executed, further cause, prior to the occurrence of the trigger condition triggering the bonus game feature, the at least one processor to pre-select a set of special symbol outcomes depending on a magnitude of the increase in the credit balance made.
3. The electronic gaming machine of claim 1 , wherein the special symbol outcome occurs only when the at least one special symbol is acted on.
4. The electronic gaming machine of claim 1 , wherein the bonus game feature comprises a free game sequence of a predetermined number of free games, and wherein the instructions, when executed, further cause the at least one processor to award the predetermined number of free games when a predetermined scatter symbol trigger combination occurs in the base game.
5. The electronic gaming machine of claim 4 , wherein the instructions, when executed, further cause the at least one processor to, during play of the bonus game feature, when the predetermined scatter symbol trigger combination occurs, initiate a further bonus game feature.
6. The electronic gaming machine of claim 1 , wherein the jackpot symbol is a first jackpot symbol of a plurality of jackpot symbols that include a mini jackpot symbol, a minor jackpot symbol, a major jackpot symbol and a grand jackpot symbol.
7. The electronic gaming machine of claim 1 , wherein the special symbol outcome is a first special symbol outcome of a plurality of special symbol outcomes arranged in a predetermined order within the pathway of a plurality of different pathways.
8. The electronic gaming machine of claim 7 , wherein groups of the plurality of different pathways are associated with a wager.
9. The electronic gaming machine of claim 8 , wherein the instructions, when executed, further cause, when the base game played triggers the bonus game feature, the at least one processor to randomly select one of the plurality of different pathways from one of the groups associated with the wager that was made on the base game prior to the occurrence of the trigger condition.
10. The electronic gaming machine of claim 8 , wherein the instructions, when executed, further cause the at least one processor to, in respect of a first pathway of the plurality of different pathways, associate any special symbol that occurs after a predetermined number of positions with a fixed, low-value prize.
11. The electronic gaming machine of claim 1 , wherein the instructions, when executed, further cause the at least one processor to determine if an additional wager has been staked to access a progressive jackpot feature of the bonus game feature.