The Retrigger feature is a popular slot mechanic that allows players to
extend an active bonus round by triggering it again while it is already in progress.
Most commonly found in Free Spins and Respin-based features, retriggers
award additional spins, respins, or bonus rounds, increasing the total win potential.
A Retrigger occurs when a slot’s bonus condition is met again
during an active bonus round. Instead of ending as scheduled, the feature is extended
by granting extra free spins, respins, or bonus rounds. Retriggers are a key driver of excitement and
long bonus sessions.
How Does the Retrigger Feature Work?
Although rules vary by game, most retrigger mechanics follow this structure:
Initial trigger: A bonus round (usually Free Spins) is activated.
Retrigger condition: Additional scatter or special symbols land during the bonus.
Reward: Extra spins or respins are added to the remaining count.
Stacking: Retriggers may occur multiple times, sometimes with limits.
Bonus end: The feature ends only when all awarded spins are used.
Common Symbols & Mechanics in Retrigger Slots
Scatter Symbols
Main trigger for both bonuses and retriggers.
Often pay anywhere on the reels.
Free Spins
Most common bonus extended by retriggers.
Additional spins increase total payout potential.
Respins
Used in Hold & Win or Spin and Win features.
Reset or extend when new symbols land.
Bonus Multipliers
Some retriggers add higher multipliers.
Increase win potential with each extension.
Retrigger and RTPRTP (Return to Player) is the theoretical percentage of money a slot returns to players over the long term. A higher RTP generally indicates a better expected return, although individual results always depend on chance.
In regulated slots, the Retrigger feature does not increase the advertised RTP.
Instead, it redistributes payout potential by extending bonus duration. The overall RTP remains fixed,
but retriggers allow players to access a larger share of it within a single bonus session.
volatilityVolatility indicates how often and how much a slot machine is expected to pay. Low volatility slots offer smaller, more frequent wins, while high volatility slots pay less often but can reward much larger prizes. Impact
Retriggers significantly increase volatility. While they can lead to long and rewarding
bonus rounds, they are often rare. Slots with frequent retriggers tend to have higher variance and rely
heavily on bonus performance for big wins.
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