White Rabbit popularised their bonus buy feature, Feature Drop.

Highest RTP Bonus Buy Slots

Using bonus buy features can dramatically increase the speed with which you spend your bankroll, so if you’re outside of the UK and playing a bonus buy slot, do be careful. Enabling a bonus buy feature usually increases a game’s volatility. This means that the highs are higher and the lows are lower; wins are less frequent but greater in value. For players interested in more advanced slot gameplay, exploring different mechanics and bonus structures can help deepen your understanding of how modern slots operate. Bonus buy slots bring an extra layer of excitement to online gaming, offering instant access to bonus rounds for those willing to pay the price.

3. Temple Tumble Megaways

However, it’s important to understand their mechanics, legal status, and potential risks. Armed with this knowledge, players can decide whether these features align with their gaming preferences and budget. Bonus buy slots, where you can pay to trigger the bonus round, are not available in the UK. In this article we explain why this is the case, and introduce you to alternative games that we Brits can enjoy. Slot bonus rounds are great, and some players would like to pay in order to trigger these features. Big Time Gaming’s Feature Drop slots are unavailable to UK players, but British players can still play Extra Chilli Megaways, just without the option to pay for the bonus round.

Top casino games in United Kingdom

Unfortunately, while this can be done in some countries, bonus buy slots are not available in the UK. This is due to the UK Gambling Commission (UKGC) (UKGC) banning this feature back in 2019. That said, UK players can still play these Bonus Buy slots – just without the option to pay to trigger the Bonus Round. Just so you know, the UK government has introduced new slot stake limits for online slots, with players aged 25 and over limited to £5 per spin, and players aged 18-24 limited to £2, starting in April and May 2025 to promote safer gambling. Here are some recently launched slots that ship with the Bonus Buy feature elsewhere in the world.

How to Choose a Bonus Buy Casino

These are still available in the UK and are among the best slots to play, so we recommend checking them out. Pragmatic Play’s Gods of Giza is a 5-reel, 5-row slot with a unique payline system, not to mention high volatility and a 96% RTP. The max win can reach up to 5,000x the bet, while landing 3 or more scatters will award the player with a round of free spins. Spartans Vs Zombies is a Stakelogic slot based around a clash of ancient and undead civilisations. This battle takes place on 5 reels and 3 rows, with 20 paylines and a 96.2% RTP. As stated throughout this page, the extra buy feature is illegal in the UK. However, that does not mean these slots are boring!

Is Buying a Bonus on a Slot Worth It?

They are behind some of the most famous online slots, like Starburst, Gonzo’s Quest and Twin Spin. More recently, NetEnt has started incorporating the bonus buy option into some of its slot games… but there aren’t many of these yet! Popular NetEnt games with this feature include Dead or Alive 2 and Serengeti Kings. Relax Gaming has its own games, mostly slots, and supplies some of the top uk casino sites as a B2B provider. Money Train’s original Money Cart Bonus costs 80 times your stake.

White Rabbit by BTG

Multiplier Odyssey, Ramses Revenge, and Iron Bank are Relax Gaming bonus purchase slots. This provider releases monthly bonus purchase slots, with an ante-bet option for UK gamers! Pragmatic Play slots are known for their high volatility and diverse features. This provider’s popular bonus purchase slots include The Dog House Megaways, Sweet Bonanza, and Madame Destiny Megaways. Big Time Gaming invented Megaways and bonus purchases! On the contrary, they have have exciting features and bonus rounds.

Game Feature	Buy Cost	Average Return	Max Win Potential
Gates of Olympus Free Spins	100x bet	85x - 120x bet	5,000x bet
Sweet Bonanza Free Spins	100x bet	90x - 130x bet	21,175x bet
Jammin' Jars 2 Free Spins	150x bet	110x - 180x bet	50,000x bet

Slots also let you gamble to boost your odds of triggering the bonus round.

Feature	Bonus Buy	Ante Bet
Cost	Large one-time premium (e.g., 100x bet).	Small ongoing increase (e.g., 25-50% extra per spin).
Outcome	Guaranteed bonus round trigger.	Increased probability, not a guarantee.
Player Control	Direct and immediate.	Indirect, over multiple spins.
Best For	Targeting a specific feature instantly.	Players wanting more chances without a huge upfront cost.

Consider pros and downsides and potential returns. Thus, you can use these capabilities only when convenient. Slots with bonus features are some of the most sought-after games amongst players because they mix up the gameplay. These bonuses come in many flavours though the most common ones you’ll come across are free spins, multipliers, jackpots, and re-spins. These bonuses extend the basic slot machine features and are triggered inside the game itself, making them separate from any bonuses you may be awarded as part of a promotion.

Types of Bonus Buys

A follow-up to Nolimit City‘s previous mining-themed slots, Dead Canary has a different grid setup as well as high volatility and 96% RTP. Being a Nolimit City game there’s also a unique bonus round triggered by landing 3 or more canary scatters. iSoftbet brings a different kind of Christmas magic with Scrooge Megaways. This slot is powered by the Megaways engine, meaning it has up to 117,649 paylines together with medium to high volatility and a 96% RTP. The latest in the popular Big Bass series, Reel Kingdom‘s Big Bass Splash features 5 reels, 3 rows and 10 paylines of fun!

1. Pragmatic Play

This high volatility slot has a 95.7% RTP and a free spins round that can be triggered by landing 3 or more fish scatters. Wild Donuts is a tasty Max Win Gaming cluster slot set on a 6×5 grid. Land at least 3 chef scatters for the free spins round, which can be retriggered by landing more scatters! A painterly AvatarUX starring a cast of charming apes, MonkeyPop has the unique PopWins mechanic. This can bring variable paylines that range from 486 to up to 33,614, as well as high volatility action with a 96.5% RTP. The exact method of unlocking them varies from game to game but usually involves landing certain symbols on the reels in the base game.

Before using Bonus Buy, check the casino's terms for game contribution to bonuses; slots often contribute 100%.
Be aware that large wins from a bought bonus will still be subject to standard withdrawal verification processes.
Some casinos offer "Bonus Buy Tournaments" where players compete for the biggest win from purchased features.
Responsible gambling tools, like loss limits and session timers, are critical when engaging with this high-pace feature.
Demo play is recommended to understand a bonus round's potential before spending real money to buy it.
Remember, the outcome of a bought bonus round is still determined by a Random Number Generator (RNG).

If you’re a player who seeks out novelty from your slots, you’re in luck.

Strategically, buying the bonus can be used to complete wagering requirements faster, though it's risky.
It is often used by streamers and high-rollers for content and chasing large payouts.
Analysing the advertised bonus buy RTP is crucial; it should be 96% or higher for a fair chance.
Avoid chasing losses by repeatedly buying bonuses; set a strict budget for buy-in sessions.

The entire online casino industry is continually innovating in a quest to make their games stand out and to offer players something new and fresh that they’ll love.

Buying the bonus removes the anticipation and randomness of triggering it naturally.
It significantly increases the cost per spin and can rapidly deplete a bankroll.
The feature appeals to players seeking immediate big win potential and high-intensity action.
It is considered a high-risk, high-reward mechanic within modern video slots.
Using bonus buy with casino deposit bonuses may be restricted by wagering requirements.

Slot games bonus features are a great way to do this as they create new and unique mechanics that go beyond the standard features of the base game.

What are Bonus Buy Slots?

Wazdan’s Magic Spins is a unique sci-fi themed slot with stylised visuals, high volatility and a 96.2% RTP. The volatility can actually be adjusted to fit your tastes, leading to a maximum win of up to 2,500x the bet. Dia del Mariachi Megaways is a bright All41 Studios Mexican-themed slot based on the popular Megaways engine. The result is high volatility gameplay with up to 117,649 paylines, a 96.4% RTP and lots of exciting bonus features. Get up to mischief with the green goblin in Pragmatic Play‘s Goblin Heist Powernudge!

8. Chaos Crew (Hacksaw Gaming)

This highly volatile slot brings 10 paylines and a Powernudge feature that can potentially lead to more wins if you land a winning combination! Slots with a bonus buy feature allow players to pay a predetermined amount to instantly trigger a game’s bonus round, providing an opportunity to access potentially higher rewards and enhanced gameplay. The bonus round typically starts when you hit three or more scatter symbols on the reels. If you’re feeling fancy, you can use the bonus buy feature to skip this step and enter the special round on the following spin. It’s a great shortcut because the bonus round gives the best payouts. Each slot game has its own distinct combination of bonus features, the most common of these mechanics can be found below.

Key providers known for Bonus Buy features are Pragmatic Play, NoLimit City, Play'n GO, and Hacksaw Gaming.
Pragmatic Play often labels their feature "Buy Free Spins" or "Ante Bet."
NoLimit City's buys are often integrated into their "xNudge" or "xWays" mechanics.
Hacksaw Gaming uses terms like "Bonus Hunt" or "Instant Bonus" for their buy options.
Play'n GO incorporates buys in games like "Rise of Olympus" and "Legacy of Dead."

Free Spins: Free spins are the most common of bonus slot machine features. When triggered, they grant you a certain number of spins of the reels for free.

Additional Things Players Should Take Note Of

The cost of purchasing a slot’s bonus round can vary significantly between providers and even among distinct slots. The game’s features, potential rewards, and overall volatility often influence prices. Instant Access: Skip regular gameplay and go straight to the bonus round. Enhanced Thrill: Enjoy heightened excitement with potentially more significant wins. Exploration: Experience various bonus features without waiting.

10. Goblin Heist Powernudge – Pragmatic Play

Time Efficiency: Save time while pursuing bonus rewards. Higher Costs: Buying bonuses can be expensive, impacting your bankroll. Risky Investment: There’s no guaranteed win, so you might not always get your money’s worth. Reduced Gameplay: Miss out on the base game’s entertainment and potential wins. When purchasing a bonus round, the return-to-player (RTP) percentage remains unaffected, ensuring fairness. These spins might use the same reels as all other spins or they may feature different symbols and/or combine with other bonus features to mix up the gameplay.

What Are Bonus Buy Slots

However, the potential RTP value during the bonus round may vary depending on the game’s mechanics and rules. Check the bonus frequency: Assess how often the bonus round is triggered before cas best slots uk free spins no deposit bonus using the buy feature. Analyse reward potential: Evaluate the bonus round’s potential payouts and features to make an informed decision. Set a budget: Allocate a specific budget for bonus buys to avoid overspending. Know When to Stop: If your investment doesn’t pay off quickly, consider switching back to regular play.

7. Punk Rocker (Nolimit City)

Research game rules: Understand the game’s rules and mechanics before buying a bonus to maximize your chances. Some game developers have started to add the bonus buy feature to most of their slots, and down below, we have made a short list of providers who are releasing bonus buy slots. Blueprint Gaming is the provider behind the fun-filled Fishin Frenzy and other Megaways slots. The company’s slot games are well-known to be quite feature-packed! Some of the best bonus buy slots by Blueprint Gaming include Temple of Treasure Megaways™ and Ted Megaways™. Multipliers: Multipliers are a bonus feature that award you a payout proportionate to your wager. For example, a 2x multiplier will return £2 on a £1 wager whilst 5x would yield £5. Games that include this mechanic will usually offer ways to unlock different sizes of multipliers and combine them together. Jackpots: Jackpots are a common slot game bonus feature that come in many different sizes. Some slot games offer their own in-game jackpots, whilst others are included in the MGM Millions eligible slots that grow progressively bigger until a player triggers it.

Term	Definition	Example
Feature Buy	Paying a premium to trigger a game's bonus round directly.	Buying free spins for 100x the bet.
RTP (Buy Mode)	The theoretical Return to Player percentage when using the bonus buy.	96.5% RTP in buy mode vs 96% in base game.
Ante Bet	An additional side bet that increases the chance of triggering a bonus, often used as an alternative to a direct buy.	Increase bet by 50% to double bonus trigger chance.