MGM Grand Gamble
MGM - Grand Gamble is a 5-reel slot game with 6 symbols per reel.
How to Play
To select a bet, press the button and select a bet among the Available Bets. To start a game round, press the Spin button. Alternatively, press the keyboard space bar.
Autoplay
To play a number of game rounds in succession, press the button, and select the number of game rounds to play. To start playing the chosen number of game rounds press the Spin button. The Spin button displays the number of Autoplays remaining and when pressed cancels Autoplays.
Turbo Mode
Turbo Mode may be enabled or disabled by pressing the button.
When Turbo Mode is enabled, certain animations during a game round are played through quickly.
Quick Play
To skip certain animations during a game round, press anywhere on the screen. Alternatively, press the keyboard space bar.
Payout Rules
A line win is awarded when a number of instances of the same symbol appear consecutively starting from the leftmost reel. Only one line win may be awarded on a single win line.
The highest line win value is always awarded. All wins occur on win lines except for instant prizes. Instant prizes are added to pay line wins or equivalent. Wins on separate win lines are added. The paytable reflects the current bet configuration, based on the bet per line.
Win Cap
This game has a win cap of 50,000x the current bet amount per game round.
Wild Symbol
The Wild Symbol is a Wild Symbol that substitutes for all other paying symbols.
The Wild Symbol doesn’t substitute for the Grand Gamble Symbol, Scatter Symbol, Gamble Scatter or for any symbol landed during the Grand Gamble Feature.
Mystery MGM Symbol
The Mystery MGM Symbol is a reveal symbol that can land anywhere on the reels, in both the Base Game and Free Games Feature.
After the reels have landed, all Mystery MGM Symbols on the reels will open and reveal either Paying Symbols, Wild Symbols or Grand Gamble Symbols.
When the Mystery MGM Symbol lands and reveals a Grand Gamble Symbol, the Grand Gamble Feature is triggered.
Grand Gamble Feature
When the Mystery MGM Symbol reveals the Grand Gamble Symbol, the Grand Gamble Feature is triggered.
Each position containing a Grand Gamble Symbol will spin through different prizes. During the Grand Gamble Feature, the following Symbols may land:
• Instant Prize Symbols
• Multiplier Symbols
• Scatter Symbols
• Gamble Scatter Symbols
• Collector Symbols
At the end of the Grand Gamble Feature wins will evaluate the total value of all Instant Prize and Collector Symbols multiplied by their bet amount.
Instant Prize Symbol
The Instant Prize Symbol is a Prize Symbol that can land during the Grand Gamble Feature.
The Instant Prizes are Bet Multipliers and their Values are: 1x, 2x, 5x, 10x, 25x, 50x, 100x, 250x, 500x, 1000x, 2500x, and 5000x.
Multiplier Symbol
The Multiplier Symbol is a Symbol that can land during the Grand Gamble Feature.
When the Multiplier Symbol lands, it will multiply the value of all Instant Prize Symbols and Collector Symbols on the reels by the Multiplier Symbol’s value. The Multiplier Symbol is then removed from the reels.
The empty position will spin through all of the possible prizes.
The Multiplier Values are: 2x, 3x, 5x and 10x
Collector Symbol
The Collector Symbol is a Symbol that can land during the Grand Gamble Feature.
When the Collector Symbol lands it will collect the value of all other Instant Prize Symbols and Collector Symbols. All Instant Prize Symbols are removed from the reels when collected.
The Collector Symbol will remain on the reels throughout the Grand Gamble Feature.
The empty positions will spin through all of the possible prizes.
Scatter Symbol and Gamble Scatter Symbol
The Scatter Symbol and Gamble Scatter Symbol may land during the Base Game, Free Games Feature and Grand Gamble Feature.
The Scatter Symbol is only available on reels 2, 3 and 4 during the Base Game and the Free Games Feature. During the Grand Gamble Feature, Scatter Symbols can land on any position.
During the Base Game, when there is a scatter on the reel 2 and reel 3, a Gamble Scatter Symbol may land on reel 4.
When the Gamble Scatter lands, all the potential Free Spins Prizes will spin through inside the Gamble Scatter position.
The Free Spins Prizes available to land are:
• Blank - No Free Games Feature Trigger.
• 4 to 9 FREE SPINS - Free Games Feature trigger with a minimum 4 free spins up to 9 free spins.
• 7 to 9 FREE SPINS with 2 DOTS - Free Games Feature trigger with a minimum 7 free spins up to 9 free spins with 2 Low Symbols converted to Mystery MGM Symbol.
• 8 to 10 FREE SPINS with 4 DOTS - Free Games Feature trigger with a minimum 8 free spins up to 10 free spins with all 4 Low Symbols converted to Mystery MGM Symbol.
Gamble Feature
The Gamble Feature is triggered by the Gamble Scatter Symbol landing one of these Free Spins Prizes on the Gamble Scatter Symbol:
• 4 to 9 FREE SPINS - Free Games Feature trigger with a minimum 4 free spins up to 9 free spins.
• 7 to 9 FREE SPINS with 2 DOTS - Free Games Feature trigger with a minimum 7 free spins up to 9 free spins with 2 Low Symbols converted to Mystery MGM Symbol.
When the Gamble Feature is triggered, the Gamble Wheel is presented with possible Free Spins Prize segments that are better than the one that was won on the Gamble Scatter and segments with No Prize.
During the Gamble Feature, the prize that was won on the Gamble Scatter can be forfeited for a chance to win one of the Free Spins Prizes better than the one that was won on the Gamble Scatter. This can be done by selecting the Gamble option.
The option to collect the Free Spins Prize won on the Gamble Scatter is also available at this point.
When the Gamble option is selected, the Gamble Wheel will spin through the Free Spins Prizes and either land on a Free Spins Prize segment or land on a No Prize segment. If the Gamble Wheel lands on a No Prize segment, the game will return back to the base game.
When the Gamble Wheel lands on a Free Spins Prize segment, the Gamble Wheel is presented again with possible Free Spins Prize segments that are better than the one that was won on the previous Gamble and No Prize segments.
The option to collect the Free Spins Prize won is also available at this point.
After a maximum of 3 successful gambles the Free Games Feature will be triggered with the Free Spin Prize won on the final gamble.
When a Free Spins Prize is won with 2 or 4 Low Symbols converted to Mystery MGM Symbol, the Low Symbols meter in the Free Games Feature will be converted before the first Free Spin takes place.
When 8 to 10 FREE SPINS with 4 DOTS are awarded during the base game or the Gamble Feature, then the Free Spins Feature is triggered with all 4 Low Symbols converted to Mystery MGM Symbol, without being able to gamble in the Gamble Feature.
Free Spins Feature
The Free Spins Feature is triggered by landing the Gamble Scatter in the Base Game or Grand Gamble Feature and the Gamble Scatter lands a Free Spins prize inside its position.
When the Free Games Feature is triggered with 2 or 4 Low Symbols converted to Mystery MGM Symbol, the Low Symbols meter in the Free Games Feature will be converted before the first Free Spin takes place.
During the Free Spins, when a Scatter Symbols lands on reels 2, 3 and 4 or in the Grand Gamble Feature, they will be collected on the Low Symbols meter next to the reels. Any Gamble Scatters that may land will also be collected on the Low Symbol meter.
Each of the 4 Low Symbols will require 4 Scatter Collections. When 4 Scatters are collected towards a Low Symbol the Low Symbols on the reels will be converted into Mystery MGM Symbols on the reels and additional free spins are awarded.
First symbol converted awards 4 additional free spins. The second and third symbol converted awards 3 additional free spins, and the fourth symbol converted awards 2 additional free spins.
Each converted symbol also awards a Multiplier Value towards the Grand Gamble Feature. This multiplier is applied to total win from the Grand Gamble Feature.
This multiplies the values of the Instant Prizes and Collector Symbols landed in the Grand Gamble Feature, in the Free Spins Feature only.
First symbol converted awards a 2x Multiplier Value, second converted symbol awards a 3x Multiplier Value, third converted symbol awards a 5x Multiplier Value and the fourth converted symbol awards a 10x Multiplier Value.
The Gamble Scatter Symbol is only available in the Grand Gamble Feature during the Free Games Feature and will spin through additional free spins. The additional free spins available to land are +1, +2 or +3.
During the Free Spins Feature, The Gamble scatter should only respin when it lands ‘No Prize’. If the Gamble Scatter lands any other prize it will not respin.
The amount of additional free spins awarded can be unlimited.
Paytable
The paytable reflects the current bet configuration, based on the total bet.
Bonus Buy
By pressing or clicking on the button, you will be presented with the option to buy the Free Spins Feature. You can reduce or increase your Base bet by pressing the '+' or '-' buttons. If you click the Buy button you will have the option to confirm you wish to buy the bonus by clicking or pressing the Ok button, which will start the Free Spins Feature and will deduct the total stated Feature Cost from your balance, or if you click the Cancel button you will return the Bonus Buy page.
Bonus Buy Options:
• 7-9 Free Spins Feature with no Low Symbols converted for 101x your Base Bet. By playing with a strategy of always using the Gamble Feature, the RTP is 94.92%. By playing with a strategy of never using the Gamble Feature, the RTP is 94.13%.
• 7-9 Free Spins Feature with 2 Low Symbols converted for 183x your Base Bet. By playing with a strategy of always using the Gamble Feature, the RTP is 94.74%. By playing with a strategy of never using the Gamble Feature, the RTP is 94.13%.
• 8-10 Free Spins Feature with all 4 Low Symbols converted for 621x your Base Bet and a 94.69% RTP.
• Mystery Free Spins Feature - a randomly chosen Feature from the 3 above options for 307x your Base Bet. By playing with a strategy of always using the Gamble Feature, the RTP is 94.73%. By playing with a strategy of never using the Gamble Feature, the RTP is 94.52%.
Base Bet
The base bet is the total bet selected for each new spin or game round.
Additional Information
Incomplete games will be automatically resolved after 48 hours. Any winnings resulting from automatic resolve shall be paid to the player's account.
Where an incomplete game cannot be resolved, the stake will be returned to the player.
MALFUNCTION VOIDS ALL PAYS AND PLAYS.
Playing with a strategy of always using the Gamble Feature, the theoretical average return to player (RTP) is 94.48%.
Playing with a strategy of never using the Gamble Feature, the theoretical average return to player (RTP) is 94.08%.
This game has a maximum win of 50,000x and as a result, some hypothetically possible results have been prevented. This restriction has been included in RTP calculations.
Last modification date: 7/1/2025