Slot games often include unique features that enhance the gaming experience.
One of the most popular features found in slots is a bonus round.
With a bonus round, you can earn free spins, extra incentives, or even wins to build a larger bankroll.
This guide will provide insider information regarding bonus rounds.
We give you all the details of slots with quality bonuses, including Jackpot titles and Megaways games.
Learn more below, including example games and the best casinos for reel spinning.
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What Are Bonus Rounds In Slots?
Not all slots have a bonus round feature, but most do unless it is a classic slot.
Starburst is one example.
The slot does not have a bonus round but is still a popular game in the slot community.
Typically, a slot will offer a bonus round with ten free spins, but sometimes, the total can increase to 30, 50, or even 100.
Bonus rounds can also include multipliers, extra wilds, or expanding symbols. Bonus rounds offer gaming that you don’t pay for.
Once the round is triggered, you can spin at no cost and earn wins or other incentives.
How To Get Bonus Rounds On Slots
A bonus round is typically triggered with three or more scatter symbols somewhere on the reels.
There may be a collection meter, such as the case with Finn and The Swirly Spin slot.
Easily see how to activate the bonus round by reviewing the info section of a slot game.
Bonus Rounds vs. Free Spins
Bonus rounds and free spins are typically the same thing, but sometimes they are different.
Many slot games offer a bonus round where you trigger free spins from scatter icons.
Others may have bonus rounds where you play mini-games or activate jackpot rounds with bonus icons.
You can see how a bonus acts by reviewing the information section of a slot you wish to play.
An example of a varying bonus round can be found in Cops ‘n Robbers by Play’n GO.
The game has a bonus round where a car chase takes place.
You also earn free spins, but an interactive element enhances the round.
Best Slots With Bonus Rounds
Now that you know more about bonus rounds, it’s time to explore games.
Below are the top picks we suggest for reel spinning to activate bonus rounds.
See what you can earn by playing these slot games.
1. Kronos Unleashed
- Bonus Rounds: Free Spins and Lightning Respins
- Bonus Rounds Trigger: scatter icons
- Re-Trigger: six or more golden Kronos icons
- Bonus Features: Free spins and Lightning Respins
Kronos Unleashed is an online slot game with two bonus rounds, free spins, and a lighting respins option.
Trigger each option to earn free spins. In the lightning respins round, you can earn powerups to transform symbols into new icons.
2. Conan
- Bonus Rounds: Three Free Spin Rounds.
- Bonus Rounds Trigger: three, four, five, or six scatters will trigger ten, 15, 25, or 50 spins.
- Re-Trigger: NA
- Bonus Features: City of Thieves, Temple of the Serpent, and Walls of Tarantia.
Play Conan and enter the world of the warrior with three bonus rounds on offer.
Once you trigger the round, you can choose three free spin features.
Add tower wild with City of Thieves or mystery icons and stacks with Temple of the Serpent.
The Walls of Tarantia round provides battle wilds.
3. The Wizard Of Oz: Road To Emerald City
- Bonus Rounds: Free Spins
- Bonus Rounds Trigger: scattered emeralds
- Re-Trigger: trigger three or four scattered emeralds for five to 20 more spins.
- Bonus Features: Dorothy Free Spins and Glinda the Good Witch Booster.
Play this version of the Wizard of Oz, and you can activate a free spin round with a major prize booster.
The round can be retriggered with emerald scatters to help you earn even more free spinning.
4. Zeus
- Bonus Rounds: Free spins
- Bonus Rounds Trigger: scatter icons
- Re-Trigger: Three or more scatters
- Bonus Features: earn 10, 25, and 100 free spins with three, four, and five scatters.
Zeus is a classic slot game with a mythological theme.
The slot includes a low-to-high betting range and the ability to trigger a large sum of free spins.
You need three or more scatters to start the bonus round.
5. Book of Ra Deluxe 10K Ways
- Bonus Rounds: Free Spin Mode
- Bonus Rounds Trigger: Three, four, or five or more scatters.
- Re-Trigger: three to five scatters trigger eight to 20 more spins.
- Bonus Features: Earn eight, 12, or 20 free spins with three, four, or five scatters.
Book of Ra is the original Book of Slot that most operators copied to seek success.
In this game, an expanding symbol is selected before the free spin round.
The special symbol can transfer and lead to bigger win potential.
Best Megaways Slots With Bonus Rounds
In this section, we list the best Megaways slots with bonus rounds.
You can trigger a bonus round and Megaways for added win potential.
6. The Dog House Megaways
- Bonus Rounds: Sticky Wilds Free Spins and Raining Wilds Free Spins
- Bonus Rounds Trigger: Three to six scatter icons.
- Re-Trigger: N/A
- Bonus Features: Sticky Wilds include wilds that remain on the reels to create more wins. Raining Wilds offers the specific wild icon to provide a multiplier of 1x, 2x, and 3x.
- Megaways: up to 117,649 ways to win.
Land three or more scatters, and you can select your free spin round.
Pick Sticky Wilds for icons that remain on the reels plus multipliers.
Raining Wilds also includes a special wild with multipliers to help produce wins.
7. Buffalo King Megaways
- Bonus Rounds: Free Spins
- Bonus Rounds Trigger: four or more scatters.
- Re-Trigger: land three or more scatters to add five more spins.
- Bonus Features: Four, five, and six scatters will trigger 12, 17, or 22 free spins and a scatter win.
- Megaways: up to 117,549 ways to win.
Explore a fun and exciting canyon mountain theme slot with buffalo and other native creatures on the reels.
Trigger the bonus round with four scatters or more to earn free spins.
You get a multiplier in the round that can help boost your win up to 10x.
8. Piggy Riches Megaways
- Bonus Rounds: Free spins
- Bonus Rounds Trigger: three scatters on the same spin
- Re-Trigger: new scatters add more spins to your total
- Bonus Features: earn up to 22 free spins and a multiplier from 1x to 10x.
- Megaways: up to 117,649
Best Progressive Slots With Bonus Rounds
Here, we have our top suggestions for bonus rounds in progressive games.
Explore the titles below for a fun reel-spinning experience complete with the bonus element and big jackpot prizes.
9. Mercy Of The Gods
- Bonus Rounds: Free Spins
- Bonus Rounds Trigger: three Eye of Horus scatters
- Re-Trigger: NA
- Bonus Features: five, eight, or 12 free spins plus expanding wilds.
- Jackpot: the jackpot is progressive and varies based on the casino.
10. Cleopatra Megajackpots
- Bonus Rounds: Free Spins
- Bonus Rounds Trigger: three, four, or five scatters.
- Re-Trigger: NA
- Bonus Features: Wins are tripled except with five Mega Jackpot icons.
- Jackpot: The prize amount depends on the casino site.
Best Casinos To Play Slots With Bonus Rounds
Below is a short list of online casino sites where you can play our recommended games.
We have plenty of options for you to explore via every provider, with premium signup bonuses as well.
Learn more about each casino below to play exciting games with bonus rounds and earn incentives via welcome bonuses!
DraftKings Casino
DraftKings Casino is home to a wide range of gaming options.
The site has over 1,000 titles to pick from, spread throughout slots, table games, live dealer, and more. Join today with our link and select one of two bonus deals.
The site includes a 100% match up to $100 casino credits or a 100% match worth up to $2,000.
Explore games like Book of Ra Deluxe 10 Ways and Mercy of the Gods.
Each game includes a bonus round waiting for you to explore.
BetMGM Casino
Explore a wealth of slot games with bonus rounds at BetMGM Casino.
The site has hundreds of titles to explore with varying themes and features.
New players can join with a $25 no-deposit bonus and 100% match up to $1,000 in MI, NJ, and PA.
Create a new player account in WV to earn a $50 no-deposit deal and 100% match up to $2,500. The site features games like Kronos Unleashed, Zeus, and Conan on our list above.
BetRivers Casino
New players to BetRivers Casino will find a full assortment of slots with bonus rounds, table games, live dealer, and more.
Join today with the site, which gives new players up to $500 in cashback bonus funds based on losses within the first 24 hours.
Play a number of slots from our list with bonus rounds at BetRivers, including Piggy Riches and Cleopatra Mega Jackpots.
Want To Guarantee Bonus Rounds?
Bonus rounds are a fun way to earn incentives and wins while playing online slot games.
The bonus rounds will be randomly triggered thanks to scatter icons or other features.
If you want to avoid waiting for the round, check a slot for a Bonus Buy feature.
Some slot games include Bonus Buy, where you pay a multiplier on your wager to trigger the bonus immediately.
Not all games include this option, so be sure to check out our list of Bonus Buy slots to know where to start!
We provide detailed information on Bonus Buys with game examples and how-to guides.
