End-Condition Free Spin
A type of free spins with no set number of spins, which instead ends when all of a specific 'end symbol' are collected.
Special Reel Set
A whole new board is revealed
Special Reel Set is a feature where a bonus round, such as free spins, is played not on the same reel configuration as the base game, but on a separate reel set specially designed just for the bonus.
The core of this feature is to fundamentally increase the value and anticipation of the bonus round by using a special reel set with a richer symbol configuration (e.g., removal of low-value symbols, addition of high-value symbols).
More Features in This Family
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Gateway Free Spins
A 'gateway' style of free spins where you must complete a specific mission to advance to the next, more powerful bonus stage.
Multi-Mode Free Spins
A structure where a single game contains two or more distinct free spin modes, each with its own trigger and rules.
Retrigger
A feature that allows you to win additional free spins while the free spins round is already in progress.
Selectable Free Spins
A feature that allows the player to choose the nature of their free spins (e.g., number of spins, multiplier) upon entering the bonus.
Showdown Spin
A unique two-stage free spin bonus where assets gathered in a 'collection' phase are unleashed during a final 'showdown' phase.
Standard Free Spins
A feature that faithfully performs only the basic free spin function.
Sticky Win Combos
A feature where, during free spins, the symbols that contributed to a win are held in place, providing a guaranteed win on every subsequent spin.
Symbol Release
A feature where specific symbols are collected during a set number of spins, then released all at once on the final spin to create a big win.
Unlimited Retrigger
A retrigger feature with no limit on the number of times you can win additional free spins.
Persistent Free Spin Grid
In the bonus game, the destruction progress of the game grid (cleared blocks or empty spaces) is preserved across all free spins, with the grid not regenerating its original state between spins.
All Slots with This Feature
PREVIEWTNT West
- Reel Config
- 5x3
- RTP
- 94.48%
- Paylines
- 10
PREVIEWCoin Volt: Charge & Strike
- Reel Config
- 5x3
- RTP
- 96.08%
- Paylines
- 5
PREVIEWSupernova Shooting Stars
- Reel Config
- 5x3
- RTP
- 96.26%
- Paylines
- 20
PREVIEWMonstroland
- Reel Config
- 5x3
- RTP
- 96.06%
- Paylines
- 5
PREVIEWDistrict 33
- Reel Config
- 5x4
- RTP
- 96.5%
- Paylines
- 20
PREVIEW40 Lucky Wilds Hot Coin Boost
- Reel Config
- 5x3
- RTP
- —
- Paylines
- 40
PREVIEWThe Great Heist
- Reel Config
- 5x4
- RTP
- 96.72%
- Paylines
- 1,024
PREVIEWTrailer Trash
- Reel Config
- Irregular
- RTP
- —
- Paylines
- Anywhere
PREVIEWHaunted Laundromat
- Reel Config
- Irregular
- RTP
- 95%
- Paylines
- Etc.
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All data is based on our own 300-spin tests and is not a guarantee of future results.
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