Symbol Removal
Special Reels
A feature that temporarily removes specific symbols (usually low-value ones) from the reels, allowing winning combinations to be formed only with higher-value symbols.
Special Reels
Any mechanism where the reel's form or symbol composition changes further even after the spin has stopped.
All FeaturesBonus GameFree SpinsJackpotScatterSpecial BettingSpecial ReelsSpecial SymbolsUnique PaysUnique SpinsWild
Symbol-to-Mini-Slot Transformation
Special Reels
This feature transforms a regular symbol on the main reels into a fully functional single-reel mini-slot machine, which then spins to award unique prizes like multipliers, free spins, or bonus game triggers.
Synchronized Reels
Special Reels
A mechanic where two or more separate reels are linked to land with the exact same symbols.
Fixed Non-Rectangular Grid
Special Reels
This feature establishes a fixed, non-rectangular active playing grid where only specific symbol positions within a larger visual layout are active for symbol landing and win evaluation, creating a unique and static reel shape.
Reel-Specific Symbol Selector
Special Reels
Each reel has an independent symbol selector above it; if the selected symbol lands on the reel, all symbols on that reel transform to match the selected symbol.
Electric Reels
Special Reels
Electric Reels introduce a dynamic reel state that causes landing wilds to expand fully and double their multiplier, significantly boosting win potential.
Independent Position Reels
Special Reels
This feature redefines the game grid, transforming each individual position into its own independent spinning reel, creating unique winning dynamics.
Designated Feature Reels
Special Reels
Designated Feature Reels are specific reels within the main game grid that are pre-assigned to host unique dormant features, which activate under specific trigger conditions involving other symbols and can be progressively upgraded.
Vertical Reel Shift Respin
Special Reels
During a free spins mode, the entire reel grid dynamically shifts down one row after each win, revealing a new row of symbols at the top and triggering a respin.