Growing Symbol
Special Symbols
A feature where a specific symbol's size progressively increases each time a condition (e.g., collecting scatters) is met during a bonus round.
Slot Special Features
Explore 217 slot mechanics, bonus systems, and distinctive features, with examples of how they shape gameplay.
All FeaturesBonus GameFree SpinsJackpotScatterSpecial BettingSpecial ReelsSpecial SymbolsUnique PaysUnique SpinsWild
Growth Multiplier
Unique Pays
A feature where a multiplier grows automatically based on set conditions (like the number of spins), regardless of wins.
Guaranteed Minimum Win
Unique Pays
A safety net feature that retriggers the bonus if the total win from the bonus round falls short of a predetermined minimum amount.
Guaranteed Wild Drop Bet
Special Betting
Guaranteed Wild Drop Bet is a unique betting option that allows players to increase their base bet to ensure a predetermined number of wild symbols land on the reels during a spin.
Highlight Spins Buy
Special Betting
A feature where players buy a batch of simulated spins, and the game only plays out the highest-paying ones in ascending order.
Hold and Respin
Unique Spins
A bonus game mechanic where you lock (Hold) specific bonus symbols on the reels, then spin the remaining empty spaces again (Respin) to collect more symbols.
Horizontal Multiplier Reel
Special Reels
Horizontal Multiplier Reel is an innovative reel mechanic where a dedicated horizontal reel, positioned above the main game grid, spins to reveal multiplier values that directly enhance all winning combinations achieved on the main reels in that spin.
Horizontal Value Merge
Unique Pays
This feature dynamically concatenates the numerical values of horizontally adjacent instant prize symbols, treating them as digits of a single number, which is then multiplied by the coin value for a unique payout.
In-Bonus Symbol Addition
Special Symbols
In-Bonus Symbol Addition is a feature active during bonus rounds where landing specific symbols can proactively generate and add more prize symbols to the reels.
Infectious Wild
Wild
A feature where a trigger symbol transforms all other symbols of the same kind on the entire screen into wilds.
Instant Prize Symbol
Special Symbols
A symbol that pays an instant prize (a set cash value or bet multiplier) just by appearing, without needing a line.
Inverted Cascade
Special Reels
A feature where winning symbols are locked in place (Sticky), while only non-winning symbols disappear and are replaced by new ones.
Line Destruction Wild
Wild
A special wild that, when part of a winning cluster, removes all symbols in its entire column and row, and causes any affected Madness and Doom Wilds to activate and transform into Darkness Wilds.
Line-Pay Scatter
Scatter
A scatter that triggers a bonus but, unlike a standard scatter, must align on a payline instead of appearing anywhere.
Mega Block Wild
Wild
A massive wild symbol that lands as a pre-formed block (e.g., 2x2 or 3x3), instantly covering multiple positions.
Mega Reel
Special Reels
A feature where multiple reels merge to spin and stop together as one giant symbol.