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Bonus Buy slots

Also referred to as ‘buy bonus slots,’ these slots allow players to directly purchase access to the bonus round. This lets you instantly buy the bonus rather than requiring a trigger through normal play. These slots appeal to thrill-seekers looking for fast-paced action and winning potential in the bonuses.

When playing standard video slots, players have to hit a specific combination, like 3 or more scatter symbols, before triggering the bonus round, which usually comes in the form of free spins. However, Bonus Buy slots add an extra feature that lets you instantly buy your way into the bonus round by paying a predetermined cost that typically ranges from 50x to 100x your bet size. 

This puts the power in the players’ hands to access the bonuses on command instead of having to wait around hoping to trigger the lucrative bonus rounds organically. Bonus buys appeal to impatient players, those betting more significant amounts per spin, and anyone focused more on the rewarding bonuses than the standard base gameplay. 

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Top 10 Bonus Buy slots

We thoroughly evaluated the highest paying and most entertaining slots where you can buy bonus features and ranked the following top 10 best Bonus Buy slots:

Gates of Olympus_reels

Gates of Olympus

Hitting 96.5% RTP with medium volatility, this Ancient Greek mythology-themed slot from Pragmatic Play offers some of the most lucrative payouts from any Bonus Buy available. Especially when Zeus himself appears as an expanded symbol on the reels during the bonus buy round.

The purchased bonus includes up to 50 free spins complete with a 5x multiplier, providing huge winning potential. Combined with the strong RTP, Gates of Olympus delivers some of the best returns from any best bonus buy slots game.

Sweet Bonanza_reels

Sweet Bonanza

Boasting well-crafted candy visuals with a 96.5% RTP, this Pragmatic Play title combines Tetris-like Tumbling Reels gameplay with a sugary sweet theme. And with the potential for unlimited free spins during the bought bonus round, the payouts can be massive from the wild symbols. As one of the most popular buy bonus slots on the market, Sweet Bonanza blends entertainment with plenty of big win potential from the generous bonus buy feature.

Money Train 2_reels

Money Train 2

As a follow-up, improving upon the original hit release, Money Train 2 from Relax Gaming bumps up the RTP to 96.4% compared to 95.8% in the first game. It also introduces more bonus features and the potential for even bigger wins in the purchased bonuses and free spins.

The Wild West-styled sequel lets players rob a high-speed armoured money train during the bonus round, providing tense excitement while hunting for massive payouts. With frequent triggers of the slots buy bonus game, Money Train 2 satisfies with both visuals and lucrative wins. Bets range from $0.1 to $20 a spin.

Fruit Party 2_reels

Fruit Party 2

Combining traditional high card symbols with a vibrant fruit theme, this 96.5% RTP sequel from Pragmatic Play builds upon its predecessor to deliver even bigger payouts from its rewarding bonus buy feature.

The upgraded visuals blend nicely with the frequent appearance of stacked wilds during the bought free spins round. It outperforms the original and many cloned versions with better RTP and higher maximum payouts of over 10,000x your wager.

The Dog House_reels

The Dog House Megaways

Blending the popular Megaways game mechanic with 117,649 ways to win on every spin, this Red Tiger Gaming release appeals to slot fans with its dual attractions. The frequent appearances of wild multipliers leading to big wins are enhanced further by the bonus buy option to instantly jump into free spins.

And with a strong 96.55% RTP backing up gameplay, the cuddly canine visuals combine nicely with mega payout potential. Especially when those dog houses start flooding the reels unleashing lucrative rewards.

Buffalo King Megaways_reels

Buffalo King Megaways

From the pioneers of the format in Pragmatic Play, Buffalo King Megaways combines the engaging mechanics popularized by Big Time Gaming with a wildlife frontier theme featuring familiar symbols like buffalos, wolves, and eagles.

While holding a 96% RTP backing up your bets, Buffalo King’s real value lies in the bonus buy feature, which frequently triggers the free games for big multiplier wins. The tumbled Megaways reels cascade nicely for repeated payouts during lucrative bonus rounds.

Reactoonz 2_reels

Reactoonz 2

As a highly volatile follow-up sequel, Reactoonz 2 from Play’n GO amps up the RTP to 96.5% compared to previous version’s 95.3%. It also offers a more generous bonus buy feature costing 80x your wager rather than the 100x requirement in the first game.

Combined with all new features like Quantum Leap and Gargantoon transformations, this vibrant slot provides plenty of big paying reactions when the colourful cast of characters fill the reels. And with four different reel sets available after each bonus, Reactoonz 2 delivers some true slot variety.



Themed around lawless 19th-century American gold mining towns, Deadwood from Nolimit City creatively uses stacks of wild dynamite symbols across its 5 reels to create frequent payouts. Combined with floating win multipliers during free spins, the action builds tension nicely leading to big wins.

While holding an above-average 96.3% RTP, Deadwood’s real strength lies in its Bonus Buy feature, which awards 8 spins at the cost of 60x your bet. Not only does the bought bonus round trigger frequently, it builds plenty of anticipation with those volatile stacks of TNT waiting to unleash huge payouts.

Sun of Egypt 2_reels

Sun of Egypt 2

Improving upon its original hit predecessor in nearly every way, Sun of Egypt 2 from Booongo outperforms with better RTP, higher max payouts in the base game, and more free spins from its rewarding bonus buy feature.

The vibrant Ancient Egyptian graphics and gameplay really appeal when those lucrative sun god Ra symbols fill the reels, blessing players with instant access to 15 free spins for only 75x a bet. Combined with excellent base game rewards too, Sun of Egypt 2 satisfies across all fronts.

Big Bass Bonanza_reels

Big Bass Bonanza

Greeting players with vibrant visuals of various colourful species of fish in an underwater theme, Big Bass Bonanza from Pragmatic Play offers appropriately named reel-sized rewards. It holds an RTP of 96.7% supporting exciting, fast-paced gameplay.

While packed with features, the star of this slot is its ‘Reel Stimulation’ bonus buy which frequently delivers bass-sized payouts up to a whopping 10,000x the player’s stake. Between the great theme, volatility, and huge multipliers, Big Bass Bonanza is aptly named and generously rewarding.

Buy Bonus feature slots: Pros and cons

✔ Instant access to bonuses without triggering organically❌ Reduced RTP percentages compared to standard slots
✔ More time spent in the lucrative bonus rounds❌ Risk of losing initial Bonus Buy investment
✔ Faster gameplay and excitement without stagnant base play❌ Higher bet sizes required
✔ Chance for bigger payouts through bonus multipliers❌ Increased volatility swings between big wins and losses

Bonus Buy slot software providers

While most of the top slot developers have integrated some form of Bonus Buy feature by now, certain providers excel specifically when it comes to the quality and innovation within their buy bonus games. Let’s overview some of the leading Bonus Buy slot brands:

  • Pragmatic Play: This slot giant consistently impresses with its bonus features and creativity when integrating Bonus Buy elements. With innovations like the Gates of Olympus bonus round that unlocks expanding reels and the cascading wins of games like Sweet Bonanza, Pragmatic rhythmically releases fresh titles and has mastered player retention.
  • Push Gaming: Renowned for significant payout potential and innovative designs, Push Gaming sets itself apart in Bonus Buy slots through titles like Razor Shark, offering unlimited free spins for 1,000x+ wins. The cinematic graphics and sound effects during purchased bonuses enhance the experience.
  • Relax Gaming: Providing reliable slots with an emphasis on entertainment, Relax specializes in studios like Money Train 2, creating tension during Bonus Buy features as players await big multiplying rewards from the bought bonuses and free rounds.
  • Red Tiger Gaming: While operating with slightly lower base RTPs, Red Tiger’s Daily Drop Jackpot bonuses add an extra incentive on top of quality Bonus Buy slots like Dragon’s Fire MegaWays. The frequent payout potential gets a boost from those triggering jackpots.

The leading Bonus Buy slot providers differentiate in small ways but combine to drive further innovation, ensuring players get the most entertainment value from the option to buy bonus rounds on command. Comparing their relative strengths provides guidance in selecting the best games.

Bonus Buy slot variance guide

All slots carry certain risk profiles and characteristics known as variance or volatility. This determines how frequently a game pays out and the size of wins. Understanding differences in variability helps players select appropriate Bonus Buy slots based on personal preferences. Let’s overview variances using examples:

Low Variance

Games like Starlight Princess from Pragmatic Play hit smaller wins more frequently to provide low-volatility gameplay. The payouts may be smaller but also more consistent, especially when buying bonuses. Lower risk, capped excitement.

Medium Variance

The vast majority of Bonus Buy slots fall into medium variance, including hits like Sweet Bonanza. Decent-sized wins hit reasonably often to satisfy those seeking moderate risk-bought bonus rounds.

High Variance 

For thrill-seekers who don’t mind big swings between many smaller payouts and occasional huge multiplier rewards, slots like Money Train 2 provide high-volatility bonus buy options. Maximum entertainment, maximum risk.


What are Bonus Buy slots?

Bonus Buy slots give players the option to pay a fee to instantly trigger or ‘buy’ access to the bonus feature, which is usually a round of free spins. This lets you skip waiting to hit the bonus through regular play.

How much does a Bonus Buy cost?

The buy-in fee to access the bonus round typically ranges from 50x to 100x your bet amount. So if playing $1 per spin, buying the feature would cost $50-$100. Cost varies by game.

What's the benefit of paying for Bonus Buys?

Bonus Buys allow instant access to the most lucrative part of slots – the free games bonus round. Rather than waiting indefinitely for a trigger, you can play the fun bonuses on-demand.

Do all slots have the Bonus Buy feature?

No, it’s generally limited to newer releases from developers like Pragmatic Play, Push Gaming, and others driving innovation in bonus play mechanics. Mostly a modern feature.

Can Bonus Buy slots be played for free?

Yes, many Bonus Buy slots are available in free play demo modes allowing you to test out buying bonuses without real money at risk, letting you preview titles.