Gem Jam
GEM JAM
Gem Jam charms players with unique features, huge rewards, and various ways to strike big. Gold Gem Symbols deliver instant prizes across the reels, while Blue, Red and Green Gem Symbols are wild and substitute to create dynamic wins and unlock exciting bonus opportunities. The action intensifies with the Wheel Bonus, where every spin can award jackpots, multipliers, or trigger the Extra Spins, Grow Reels, and Symbol Upgrades features. During the Extra Spins Bonus, these features can stack and evolve by transforming Gold Gem Symbols, depending on which features are active.
SYMBOLS
| WW | Gem |
| H1 | 7 |
| H2 | Bell |
| H3 | Watermelon |
| H4 | Lemon |
| H5 | Cherry |
| L1 | Ace |
| L2 | King |
| L3 | Queen |
| L4 | Jack |
| L5 | 10 |
| L6 | 9 |
GOLD GEM PRIZES
Gold Gem Symbol appears on all reels.
At the start of each spin, a prize is randomly selected for each Gold Gem Symbol.
Reel 1 and 2 prizes are between 0.25 and 1 multiplied by the total bet.
Reel 3 and 4 prizes are between 1.25 and 3 multiplied by the total bet.
Reel 5 prizes are between 2.5 and 18.75 multiplied by the total bet.
Gold Gem Prizes are awarded when one or more Gold Gem Symbols appears on both reel 1 and reel 2.
Each Gold Gem Prize is awarded once only for each Gold Gem Symbol from left to right on adjacent reels starting from the leftmost reel.
Gold Gem Prizes are pad in addition to line wins.
WILDS
At the start of each bought game, all reels contain Gold Gem Symbols that transform into either Blue, Red or Green Gem Symbols.
Blue Gem Symbol substitutes for all symbols except Gold Gem, Wheel, Red Gem and Green Gem Symbols.
Red Gem Symbol substitutes for all symbols except Gold Gem, Wheel, Blue Gem and Green Gem Symbols.
Green Gem Symbol substitutes for all symbols except Gold Gem, Wheel, Blue Gem and Red Gem Symbols.
Blue, Red and Green Gem Symbols pay mixed.
Gold Gem Symbol substitutes for all symbols except Gold Gem Symbol, Wheel, Blue Gem, Red Gem and Green Gem Symbols.
WILD BONUS TRIGGERS
Whenever one or more Blue Gem Symbol appears on a bought game there is a chance the Grow Reels Feature may be triggered.
Whenever one or more Red Gem Symbol appears on a bought game there is a chance the Symbol Upgrade Feature may be triggered.
Whenever one or more Green Gem Symbol appears on a bought game there is a chance the Extra Spins Feature may be triggered.
If one or more features are triggered, the Extra Spins Bonus is awarded.
Wild bonus triggers cannot occur on the same spin as the Wheel Bonus.
WHEEL BONUS
Each bought game Wheel Symbol appears on reel 5 only.
Each extra spin Wheel Symbol appears on reel 3 only.
Wheel Symbol substitutes for Gold Gem Symbol.
Wheel Symbol substituting in a Gold Gem win awards the Wheel Bonus.
When the Wheel Bonus is awarded, 1 wheel spin is awarded.
When the wheel stops spinning, the prize awarded is the wedge that the pointer is on.
Possible wedge awards are Grand, Major, Extra Spins, Grow Reels, Symbol Upgrade or a prize between 1.25 and 18.75 multiplied by the total bet.
Whenever Grow Reels Feature is triggered, the Grow Reels wedge is replaced with Multiply Up To 5 wedge.
Whenever Symbol Upgrade Feature is triggered, the Symbol Upgrade wedge is replaced with Collect Up To 5 wedge.
Whenever Extra Spins Feature is triggered, the Extra Spins wedge is replaced with Extra Spins To 5 wedge.
Grand and Major wedges award the corresponding jackpot.
Prize wedges add the prize shown to the total Gold Gem Prize.
Grow Reels wedge triggers the Grow Reels Feature and awards 1 additional wheel spin.
Symbol Upgrade wedge triggers and activates the Symbol Upgrade feature and awards 1 additional wheel spin.
Extra Spins wedge triggers the Extra Spins Feature and awards 1 additional wheel spin.
Multiply Up To 5 wedge multiplies the total triggering Gold Gem Prize by 2, 3 or 5.
Grand and Major Symbols are not multiplied by the Multiply Up To 5 wedge multiplier.
Collect Up To 5 wedge collects 2, 3 or 5 Wild Symbols to the collection meter.
Extra Spins Up To 5 wedge awards 2, 3 or 5 extra spins.
If one or more features are triggered from the Wheel Bonus on a bought game, the Extra Spins Bonus is awarded.
Each feature triggered from the Wheel Bonus during the Extra Spins Bonus awards 5 extra spins.
Features triggered during the Wheel Bonus will be active for the remaining extra spins.
The odds of the Wheel Bonus prizes are not equal in value.
EXTRA SPINS BONUS
5 extra spins are awarded for each feature triggered.
Features triggered will be active for the remaining extra spins.
At the start of each extra spin, all reels contain Gold Gem Symbols that may transform into either Blue, Red or Green Gem Symbols depending on which features are active:
If Extra Spins is active, Gold Gem is transformed into Red or Blue Gem.
If Symbol Upgrade is active, Gold Gem is transformed into Green or Blue Gem.
If Grow Reels is active, Gold Gem is transformed into Green or Red Gem.
If Extra Spins and Symbol Upgrade are active, Gold Gem is transformed into Blue Gem.
If Extra Spins and Grow Reels are active, Gold Gem is transformed into Red Gem.
If Symbol Upgrade and Grow Reels are active, Gold Gem is transformed into Green Gem.
If all three features are active the Gold Gem Symbol transformation does not occur.
Wheel wedges are reset to their original state once the Extra Spin Bonus completes.
BONUS UPGRADES
During the Extra Spins Bonus, any Blue Gem Symbol appearing may trigger the Grow Reels Feature and award 5 extra spins.
During the Extra Spins Bonus, any Red Gem Symbol appearing may trigger the Symbol Upgrade Feature and award 5 extra spins.
During the Extra Spins Bonus, any Green Gem Symbol appearing may trigger the Extra Spins Feature and award 5 extra spins.
Features triggered during the Extra Spins Bonus will be active for the remaining extra spins.
Each feature can only be triggered once per bonus.
Bonus upgrades cannot occur on the same spin as the Wheel Bonus.
EXTRA SPINS FEATURE
During the extra spins, Green Bonus Symbol appears on reel 1 only when the Extra Spins Feature is active.
At the start of each extra spin each Green Bonus Symbol is replaced by either +1 Extra Spin or +2 Extra Spins Symbols.
+1 Extra Spin and +2 Extra Spins Symbol substitutes for Gold Gem prizes.
+1 Extra Spin and +2 Extra Spins Symbol appearing awards 1 or 2 extra spins respectively.
SYMBOL UPGRADE FEATURE
When the Symbol Upgrade Feature is activated, a level 1 collection meter is added to the screen.
During the extra spins when the Symbol Upgrade Feature is active, each wild Blue, Red, Green or Gold Gem Symbol appearing will be collected to the collection meter.
Level 1: When 3 wilds are collected all Cherry Symbols are turned to Gold Gem Symbols for the remaining extra spins and level 2 collection begins.
Level 2: When 4 wilds are collected all Lemon Symbols are turned to Gold Gem Symbols for the remaining extra spins and level 3 collection begins.
Level 3: When 5 wilds are collected all Watermelon Symbols are turned to Gold Gem Symbols for the remaining extra spins and level 4 collection begins.
Level 4: When 3 wilds are collected all Bell Symbols are turned to Gold Gem Symbols for the remaining extra spins and level 5 collection begins.
Level 5: When 3 wilds are collected all 7 Symbols are turned to Gold Gem Symbols for the remaining extra spins.
Once all levels of collection are complete, the Collect Up To 5 wedge is replaced with Grand wedge for the remaining extra spins.
During the extra spins, Red Bonus Symbol appears on reel 5 only when the Symbol Upgrade Feature is active.
Red Bonus Symbol substitutes for Gold Gem Symbol.
At the start of each spin a jackpot prize of Grand or Minor, or bonus prize of Minor or Mini is randomly selected for each Red Bonus Symbol.
Red Bonus Symbol substituting in a Gold Gem win awards the jackpot or bonus prize shown.
GROW REELS FEATURE
When the Grow Reels Feature is activated all reels grow to 5 symbol positions high with 50 lines in play.
During the extra spins, Blue Bonus Symbol appears on reel 5 only when the Grow Reels Feature is active.
At the start of each spin a multiplier prize of 2, 3, or 5 is randomly selected for each Blue Bonus Symbol.
Blue Bonus Symbol substitutes for Gold Gem Symbol.
Blue Bonus Symbol substituting in a Gold Gem win multiplies the total Gold Gem prize awarded by the multiplier show.
GAME INFO
RTP: 90.13%, 92.07%, 94.05%, 95.97%
Reel Configuration: 3x5; Up to 5x5 in FG
Malfunction voids all pays and plays.
Volatility: High
Total Bet: $0.20 - $60.00
Hit Frequency: 30.18%
Technology: HTML5
Channel: Mobile & Desktop
Last modification date: 11/9/2026