What are bonus rounds in slots?

Bonus rounds are mini-games you get to play on top of the slot's base game. They can include additional reels, different symbols, sticky wilds, multipliers, picking a prize, etc. Free Spins are the most popular form and are most commonly triggered by hitting a specific combination of symbols.

Can I play the bonus rounds slots for free?

Yes, you can play free slots with bonus rounds right here on AskGamblers and test out any game you like. Of course, you can’t win real money in demo mode, but you can see what the game is about without spending yours.

How frequently do bonus games appear?

Bonus rounds in slots are closely tied to the game's volatility. High-volatility games commonly have fantastic bonus rounds, but they can take a lot of spins, and money, to trigger. For starters, try low-volatility slots that offer bonus rounds more frequently.

How to activate bonus rounds in slot machines?

It depends on the game. For instance, Free Spins are most commonly triggered by landing three scatter symbols. In some slots, however, bonus rounds are triggered randomly, so it's always best to play them for free to see how often they award bonus games.

How to choose the best online slot with a bonus rounds feature?

The choice of best slots with a bonus round feature is a matter of personal preference. When looking for a slot machine with bonus rounds, you should consider reputable game providers, read player reviews for insights, check the RTP for potential returns, and experiment with free demos.

Page 19 - Slot Games with Bonus Rounds ✔️ (2025)

Castle of Terror Slot

Big Time Gaming

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Castle of Terror Slot
- Paylines 4096
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.72%
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Sweet Dream Slot

SYNOT Games

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Sweet Dream Slot
- Paylines Cluster Pays
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96%
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Space Stacks Slot

Push Gaming

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Space Stacks Slot
- Progressive No
- Bonus Game Yes
- Free Spins No
- RTP 96.23%
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Florageddon! DuoMax™ Slot

Yggdrasil Gaming

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Florageddon! DuoMax™ Slot
- Paylines 243
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96%
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Super Gems XL (Steinreich XL) Slot

Holle Games

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Super Gems XL (Steinreich XL) Slot
- Paylines 40
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 95.20%
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Mongol Treasures 2: Archery Competition Slot

Endorphina

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Mongol Treasures 2: Archery Competition Slot
- Paylines 10
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.06%
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3x3 Hold the Spin Slot

Gamzix

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3x3 Hold the Spin Slot
- Paylines 5
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.1%
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Respin Joker 243 Slot

SYNOT Games

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Respin Joker 243 Slot
- Paylines 243
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.03%
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Dice Dice Baby Slot

Booming Games

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Dice Dice Baby Slot
- Paylines 25
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 95.4%
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Very Hot 40 Respin Slot

Fazi Interactive

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Very Hot 40 Respin Slot
- Paylines 40
- Progressive Yes
- Bonus Game Yes
- Free Spins No
- RTP 96%
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Crystal Hot 40 Halloween Slot

Fazi Interactive

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Crystal Hot 40 Halloween Slot
- Paylines 40
- Progressive Yes
- Bonus Game Yes
- Free Spins No
- RTP 96%
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Hot Slot™: Magic Bombs Slot

Wazdan

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Hot Slot™: Magic Bombs Slot
- Paylines 10
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.17%
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Wild Hot 40 Halloween Slot

Fazi Interactive

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Wild Hot 40 Halloween Slot
- Paylines 40
- Progressive No
- Bonus Game Yes
- Free Spins No
- RTP 96%
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Ninja Raccoon Frenzy Slot

Pocket Games Soft

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Ninja Raccoon Frenzy Slot
- Paylines 1458
- Progressive No
- Bonus Game Yes
- Free Spins No
- RTP 96.82%
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Hunter X

SmartSoft Gaming

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Hunter X
- Progressive No
- Bonus Game Yes
- Free Spins No
- RTP 96.08%
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Champion of the Underworld Slot

Yggdrasil Gaming

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Champion of the Underworld Slot
- Paylines 4096
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96%
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Book of Secrets Extra Slot

SYNOT Games

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Book of Secrets Extra Slot
- Paylines 10
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.07%
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The Emirate 2 Slot

Endorphina

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The Emirate 2 Slot
- Paylines 20
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.01%
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Ancient Fortunes Poseidon WowPot Megaways Slot

Games Global

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Ancient Fortunes Poseidon WowPot Megaways Slot
- Paylines 117649
- Progressive Yes
- Bonus Game Yes
- Free Spins Yes
- RTP 92.23%
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Wild Lucky Clover Slot

Fazi Interactive

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Wild Lucky Clover Slot
- Paylines 40
- Progressive Yes
- Bonus Game Yes
- Free Spins No
- RTP 96.3%
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9 Coins™: 1000 Edition Slot

Wazdan

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9 Coins™: 1000 Edition Slot
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.14%
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Aquanauts Slot

Games Global

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Aquanauts Slot
- Paylines 3125
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.26%
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Calavera Crush Slot

Yggdrasil Gaming

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Calavera Crush Slot
- Paylines Scatter pays
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96%
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Wild Buccaneers Megaways Slot

Relax Gaming

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Wild Buccaneers Megaways Slot
- Paylines 117649
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 95%
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4 Deals With the Devil Slot

Relax Gaming

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4 Deals With the Devil Slot
- Paylines 4096
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 95.02%
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Max Megaways Slot

Big Time Gaming

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Max Megaways Slot
- Paylines 117649
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 96.37%
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Martini Slot

Champion

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Martini Slot
- Paylines 15
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 97.11%
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Hillbilly Vegas Slot

Yggdrasil Gaming

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Hillbilly Vegas Slot
- Paylines 10
- Progressive No
- Bonus Game Yes
- Free Spins Yes
- RTP 95.5%