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Top 15 bonus round slots to play online in 2024

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Top 15 bonus round slots to play online in 2024

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Devoted slots players always seek out bonus round slots as bonus rounds can pay out a slot’s biggest prizes.

Here are the top 15 slots with great bonus rounds ranked based on return-to-player rates (RTP), user reviews, popularity, and more.

Note: If you access this page from a state without regulated online casinos, you’ll see a list of the top social casino apps, which are legal in all states (except WA, MI and ID).

Table of contents

15 best bonus round slots

These are the best 15 bonus round slots on top online slots sites based on our own personal preference, user reviews, popularity, RTP, playability, and availability.

1. Wheel Of Fortune

Wheel of Fortune slot bonusesCatena Media

  • Bonus rounds style/value: Spin the Wheel of Fortune from the classic game show for the chance at 20 to 1,000 credits.
  • Demo mode: Yes
  • Free spins: No
  • Top payout/jackpot: 250,000 credits
  • Top casino where you can play: Caesars Palace online casino
  • RTP: 96.6%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land the “spin” symbol on a third reel payline to spin the wheel in the bonus round.

2. Divine Fortune

Divine Fortune slot bonuses

Divine Fortune slot bonusesCatena Media

  • Bonus rounds style/value: The Jackpot Bonus game offers three spins on 15 independent reels with the chance to win the Minor, Major, and Progressive Mega Jackpot.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: Progressive Jackpot
  • Top casino where you can play: BetMGM
  • RTP: 96.6%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Trigger the Jackpot Bonus game by landing three bonus symbols. Land more bonus symbols for more bonus round spins and fill the reels with bonus symbols to win the jackpots.

See more: Biggest progressive jackpot slots online

3. Wheel of Fortune Triple Extreme Spin

Wheel of Fortune Triple Extreme Spin slot bonuses

Wheel of Fortune Triple Extreme Spin slot bonusesCatena Media

  • Bonus rounds style/value: The Triple Extreme Spin Bonus feature lets you pick from twelve envelopes to set up pointers on the red, yellow, and blue wheels. Spin the wheels for prizes worth up to 2,919x the bet.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 2,919x the bet
  • Top casino where you can play: DraftKings Casino
  • RTP: 96.08%
  • States available: New Jersey, Michigan, Connecticut, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Activate the Triple Extreme Spin Bonus feature by landing three Triple Wheel Scatters.

4. Mega Fortune

Mega Fortune slot bonus

Mega Fortune slot bonusCatena Media

  • Bonus rounds style/value: Spin the bonus wheel where you can win one of three different progressive jackpots.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: Progressive Jackpot
  • Top casino where you can play: Golden Nugget online casino
  • RTP: 96%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Trigger the bonus wheel game by landing three bonus wheel symbols.

5. Age of the Gods

Age of The Gods slot bonus

Age of The Gods slot bonusCatena Media

  • Bonus rounds style/value: The Age of the Gods Mystery Jackpot is a multi-level progressive mini-game where you’re guaranteed to win one of four progressive jackpots.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: Progressive Jackpot
  • Top casino where you can play: BetMGM
  • RTP: 95.02%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Trigger the Age of the Gods Mystery Jackpot mini-game randomly on any spin. Pick from 20 coins until you match three, determining which jackpot you win.

6. Ocean Spin Kingdom’s Treasures

Ocean Spin Kingdom's Treasure slot bonus

Ocean Spin Kingdom’s Treasure slot bonusCatena Media

  • Bonus rounds style/value: The Wheel Bonus has you spin a wheel with prizes from 10x to 2,000x your bet.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 2,000x the bet
  • Top casino where you can play: Caesars Palace online casino
  • RTP: 96%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land six coins to trigger the wheel bonus.

7. Diamonds of Egypt

Diamonds of Egypt slot bonus

Diamonds of Egypt slot bonusCatena Media

  • Bonus rounds style/value: The jackpot bonus feature awards Mini, Minor, Major, and Grand Jackpots through a pick’em feature.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: Grand Jackpot
  • Top casino where you can play: Borgata
  • RTP: 96.49%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: The jackpot bonus feature is randomly triggered on spins, where at least one wild symbol lands. Players choose from 12 mysterious pots revealing one of the four jackpot symbols. Pick three matching symbols to win that jackpot prize.

8. Gladiator

Gladiator slot bonus

Gladiator slot bonusCatena Media

  • Bonus rounds style/value: Enjoy a Gladiator Bonus pick’em game where you can win up to 5,000x your bet.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 5,000x the bet
  • Top casino where you can play: BetMGM
  • RTP: 94.1%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land the gladiator’s helmet on Reels 2, 3, and 4 to trigger the Gladiator Bonus where you pick from nine helmets with random prizes.

9. Guns N’ Roses

Guns N Roses slot bonus

Guns N Roses slot bonusCatena Media

  • Bonus rounds style/value: The Crowd-Pleaser Bonus Game is a pick’em game with three levels offering players the chance to win cash prizes and free spins.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 1,250x the bet
  • Top casino where you can play: Caesars Palace online casino
  • RTP: 96.98%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land three platinum records anywhere on Reels 1, 3, and 5 to trigger the Bonus Wheel. Spin a wheel where the Crowd Pleaser bonus is one of three possible outcomes. Pick from musical instruments that award access to more levels, cash prizes, and free spins.

10. Monopoly Big Event

Monopoly Big Event slot bonus

Monopoly Big Event slot bonusCatena Media

  • Bonus rounds style/value: The Big Event Bonus offers guaranteed cash wins and free spins with special features.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 500x the bet
  • Top casino where you can play: BetMGM
  • RTP: 99%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land Big Event Bonus symbols on the first, third, and fifth reels to trigger the Big Event Bonus. Choose a Community Chest card offering guaranteed wins or free spins. Then, pick a Chance card. Get three dice, houses, or hotels determining whether a “Dancing Wilds” or “Locking Wilds” feature will activate during your free spins.

11. Rainbow Riches

Rainbow Riches slot bonus

Rainbow Riches slot bonusCatena Media

  • Bonus rounds style/value: The Road to Riches bonus game has valuable multipliers and a wheel of fortune.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 500x the bet
  • Top casino where you can play: DraftKings Casino
  • RTP: 98%
  • States available: New Jersey, Michigan, Pennsylvania, Connecticut, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Landing three scatter symbols triggers the Road to Riches bonus game. Follow the path with multipliers by spinning a wheel numbered one to six, moving that many spaces down the road. Land the word “collect” to earn your multipliers.

12. Steam Tower

Steamtower slot bonus

Steamtower slot bonusCatena Media

  • Bonus rounds style/value: The Climb-the-Tower free spins bonus round has you climbing a floor meter to earn free spins and free games.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 66.66x the bet
  • Top casino where you can play: DraftKings Casino
  • RTP: 97.04%
  • States available: New Jersey, Michigan, Pennsylvania, Connecticut, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Stacked wilds in the base game lead start the bonus round where free spins and multipliers increase as the engineer climbs the tower floors.

13. Wolf Run

Wolf Run slot bonus

Wolf Run slot bonusCatena Media

  • Bonus rounds style/value: The Wolf Run bonus game awards five free spins with stacked wilds, offering a better chance at bigger wins.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 40,000 credits
  • Top casino where you can play: Golden Nugget online casino
  • RTP: 92.50%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land three bonus symbols in the center to trigger the Wolf Run bonus game. Free spins can be re-triggered up to a maximum of 255.

14. Gold Rush

Gold Rush slot bonus

Gold Rush slot bonusCatena Media

  • Bonus rounds style/value: A multi-level free spins bonus round lets you earn additional free spins, cash prizes, and a jackpot.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 2,500 credit jackpot
  • Top casino where you can play: Borgata Casino
  • RTP: 96.5%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land three tunnel scatter symbols to trigger the bonus round. The reels sink deeper into the tunnel, golden nuggets shine, and you get 10 free spins with the chance to earn points used to reach even higher levels.

15. Big Bass Bonanza

Big Bass Bonanza slot bonus

Big Bass Bonanza slot bonusCatena Media

  • Bonus rounds style/value: A free spins bonus round awards 10 free spins, the chance to win more, and possibly a top prize of 2,100x your bet.
  • Demo mode: Yes
  • Free spins: Yes
  • Top payout/jackpot: 2,100x the bet
  • Top casino where you can play: BetMGM
  • RTP: 96.71%
  • States available: New Jersey, Michigan, Pennsylvania, and West Virginia
  • Available on the app? Yes

Things to watch out for/expert tip: Land three scatter symbols to trigger the free spins bonus round. You get 10 free spins in an effort to land fisherman, the values attached to the fish they catch, and move up the fisherman meter. More scatters mean more free spins. Four fishermen in your first 10 free spins get you 10 more and a 2x multiplier. Repeat that twice for additional 3x and 10x bonuses.

How we rank the best bonus round slots

We rank the best bonus round slots by playing them. As you may know, reaching the bonus round often takes a while, so we put a lot of time into playing and ranking the best bonus round slots.

We also consider the popularity of the games and what you say about the bonus rounds in online user reviews. Plus, we consider each game’s RTP, playability, and availability.

See more: Best high RTP slots

Best under-the-radar bonus round slot

In our humble opinion, Guns N’ Roses is the best under-the-radar bonus round slot. People are attracted to the game for its loaded Guns N’ Roses soundtrack, but there’s a lot more to this game.

There’s more than one bonus feature. Anytime you land three platinum records anywhere on Reels 1, 3, and 5, you trigger the Bonus Wheel, where you’ll win entry into one of three bonus features. The Crowd Pleaser bonus is the one you want.

It’s a pick’em game, but it has multiple levels offering cash prizes and free spins. This slot and its Crowd Pleaser bonus have more than meets the eyes and ears, making Guns N’ Roses our pick for the best under-the-radar bonus round slot.

See more: Real money slots

What is the maximum you can win in a bonus round?

A few years ago, one New Jersey player hit a $489,865 jackpot at BetMGM playing the bonus round on Divine Fortune.

Since the bonus round is where you’ll get a shot at the progressive jackpot on most progressive jackpot slots, the maximum amount you can win depends on how big that progressive grows.

What is the lowest buy-in slot with bonus rounds?

Sometimes, you have to bet the maximum amount on a slot for just the possibility of access to a bonus game, free spins features, and a jackpot. Others randomly award this access with any bet level.

Since you can play a variety of slots with bonus features for as little as $0.01 per payline or bet level, and most slots average 20 paylines, $0.20 is the minimum you’ll need to bet for the chance at a bonus round.

Divine Fortune is one such slot. With a $0.01 per payline minimum and 20 playlines, you can play Divine Fortune for $0.20 a spin. Every spin gives you a chance at the bonus round, where you might win Divine Fortune’s progressive jackpot.

See more: No deposit bonus casinos

How to sign up & claim a bonus to play bonus round slots

  • Step 1: Pick one of the best slots with bonus rounds from the list above.
  • Step 2: Click our link to the top online casino that hosts that game.
  • Step 3: Sign up for an account with the online casino, entering the bonus code provided to claim your bonus during registration.
  • Step 4: Find the slot in the online casino’s slots menu.
  • Step 5: Click on the slot’s game tile, load it up, and play using your bonus.

See more: How to play slots online

How do I know bonus round slots are fair?

You can trust that the bonus round slots listed here are fair because they’re listed here. We only list bonus round slots hosted by licensed online casinos regulated by state gaming boards.

Regulatory bodies like the New Jersey Division of Gaming Enforcement, Pennsylvania Gaming Control Board, Michigan Gaming Control Board, and West Virginia Gaming and Racing Association test every slot for fairness. These regulators also verify RTP, enforce state slot standards, and track slot play to confirm every slot is fair and working as promised.

Bonus round slots and responsible gambling

Bonus round slots can be even more fun than classic online slots. However, gambling responsibly is the only way to maintain that fun. Gambling responsibly means betting only what you can afford to lose, setting affordable limits, and sticking to your limits.

If that becomes difficult or playing bonus round slots leads to financial or personal issues, help is available from the following organizations.

If you or a loved one has questions or needs to talk to a professional about gambling, call 1-800-GAMBLER in NJ, PA, and WV or call 1-800-270-7117 in MI.

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