Bonus Buy Slots – Casinos With Bonus Buy Slots UK

Welcome to Include Us All, we are fans and experts in the online casino world where we review and asses all new Bonus Buy Slots and what they have to offer. Bonus Buy Slots have become one of the most sort after games for players at online casinos. The biggest perk of a bonus buy slot is that you can instantly access the bonus feature or round for a fee allowing players to skip the standard game play into the feature where the games biggest potential is unlocked. The UKGC have been tightening the rules and restrictions on UK casinos for some time now with them banning the use of the bonus feature on slots in the UK, the below list of casinos still offer players the chance to play, enjoy and win at bonus buy slot titles and we recommend them all!

Bonus Buy Slots – What They Are

Bonus Buy slots are type of game that differs to a traditional slot, these were created for one simple reason, to give players the opportunity to buy The Bonus Round, also known as Feature Spins or Buy The Feature. This feature allows you to instantly enter the bonus round rather than trying to land the feature naturally like you have to in a traditional slot where bonus features such as free spins or special rounds are activated by landing specific symbols. Whereas Bonus Buy slots allow players to skip this sometimes long process by paying a set price, usually a multiple of their stake and once you pay you can jump straight into the feature, where the biggest wins and most exciting gameplay elements are typically found.

These game types have become very popular in the UK and worldwide, this is due to the games enhanced free spins, multipliers, re-spins and bonus rounds packed with wild features. All of these advanced features can lead to huge wins and hitting the games jackpot, in most cases the games maximum win can only be reaching in these bonus rounds making them even more worthy.

💭 Include Us All note: Most credit card casinos will dedicate pages, categories and features on their homepages of bonus buy slots showing their dominance in the online slot world:

Our Latest Casinos Offering Bonus Buy Slots

Bonus Buy Casino:	Win Beast	Spinhub	Royalen
Total Games:	10,000+	11,000+	11,000+
Total Bonus Buy Slots:	6,500+	5,000+	6,000+
Total Banking Options:	28	27	30
Withdrawal Times:	24/48 Hrs	Instant – 72 Hrs	Instant – 24 Hrs
Include Us All Rating:	⭐⭐⭐⭐⭐ 10/10	⭐⭐⭐⭐⭐ 10/10	⭐⭐⭐⭐⭐ 10/10

Top Developers Using Bonus Buy Mechanics

Developer Name: NoLimit City
Total Games: 120+
Biggest Bonus Buy Max Win: 500,000

NoLimit City pushed Bonus Buy mechanic even further by combining extreme volatility, bold themes and multiple feature purchase options. Their approach helped redefine how bonus features could be accessed, giving players more control over both risk and potential rewards. One of their biggest contributions was the introduction of tiered Bonus Buy systems, allowing players to choose from different price levels depending on their risk tolerance. This gave players the flexibility to decide whether they wanted a lower cost entry or a higher risk option with greater potential returns.

A standout slot that features Bonus Buy options is Tombstone Slaughter Slot, released in Jan 2025 it hosts a insane volatility percentage, high RTP and a crazy max win of 500,000x the bet!

Tombstone Slaughter Gameplay:

Tombstone Slaughter Bonus Buy Options:

Where to play Tombstone Slaughter:

Developer Name: Pragmatic Play
Total Games: 500+
Biggest Bonus Buy Max Win: 30,000

Pragmatic Play played a major role in bringing Bonus Buy mechanics into the mainstream online slot market by incorporating the feature across a large number of its game releases. Their approach focuses on making Bonus Buy options accessible, simple to use and appealing to a wide range of players, from casual users to high stake players. Pragmatic Play’s Bonus Buy features are priced between 50x and 200x the player’s stake offering a balanced mix of affordability and high win potential. The mechanics are designed to be easy to understand, allowing players to quickly access bonus rounds without complex conditions or confusing structures.

A standout slot that has the option to purchase the feature is Cowboy Coins, released in March 2023 it has a super high volatility percentage, 96.8% RTP (increases in bonus rounds) and a huge max win of 30,000x the bet!

Cowboy Coins Gameplay:

Cowboy Coins Bonus Buy Options:

Where to play Cowboy Coins:

Developer Name: NetEnt
Total Games: 120+
Biggest Bonus Buy Max Win: 200,000

NetEnt is a Swedish game development studio founded in 1996 that quickly built a reputation for creating innovative slot games with strong visuals and reliable performance. It gained global recognition with the release of its bonus buy mechanic in Starburst back in 2009, a title that became one of the most iconic bonus buy slots ever produced. This success was followed by Gonzo’s Quest in 2011, a groundbreaking release that further cemented NetEnt’s position as a leading developer.

Throughout the 2010s NetEnt continued to grow its portfolio by introducing cinematic video slots, high RTP games and popular progressive jackpots.

A standout slot that allows players to buy the feature is Starburst XXXtreme Slot, released in July 2021 it features a high RTP of 96.26 %, is extremely volatile and hosts a huge max win of 200,000x the bet!

Starburst XXXtreme Slot Gameplay:

Starburst XXXtreme Bonus Buy Options:

Where to play Starburst XXXtreme:

The Bonus Buy feature has been around for a fair few years now and is used by the majority of slot developers. Its uncommon not to find bonus buy slot titles on any new online casino, all of the sites we promote all offer bonus buy slots.

How Much Do Bonus Buy Slots Cost?

Bonus Buy slots give players the option to instantly unlock a game’s main feature, the bonus round. This gives you option to enter the free spins round or a premium bonus mode by paying a fixed fee instead of waiting for scatter symbols to trigger the feature naturally. The cost of using this feature varies depending on the game provider, volatility, bonus mechanics and maximum win potential all influence the price. On average Bonus Buy options fall between 50x and 200x your stake, with some slots offering multiple tiers with different pricing levels.

Bonus Buy Price Levels

Bonus Buy features are usually divided into tiers, each offering a different balance between cost, risk and potential rewards. Below are the three sepporate tiers that they fall into:

Low Costing Bonus Buys

These are typically priced between 20x and 75x your stake. They are more affordable and designed for players who want quick access to bonus features without taking on high risk. While payouts may be smaller, they often provide more frequent wins and lower volatility.

Mid Costing Bonus Buys

Usually costing around 100x your stake, this is the most common option. It offers a balanced mix of risk and reward, with stronger bonus features, better multipliers and a higher chance of landing solid payouts.

High Costing Bonus Buys

These premium options can range from 150x up to 500x your stake. They are aimed at players who are comfortable with high volatility and are chasing larger wins. These features often include enhanced mechanics, guaranteed upgrades and access to maximum win potential, but results can be much less consistent.

How to Choose the Right Bonus Buy Slot

With so many options available in 2026 picking the right Bonus Buy slot for you is tricky and can impact your experience. Here are the key factors to consider when choosing:

Set Your Budget and Risk Level

Start by deciding how much you’re comfortable spending. Lower costing options are better suited for smaller budgets, while higher tier buys offer bigger rewards but come with increased risk and volatility.

Compare Bonus Buy Options

Many modern slots offer multiple bonus tiers so it’s important to check what each option includes. Look for features like extra spins, guaranteed multipliers or upgraded mechanics and consider whether the higher price is justified.

Check RTP and Max Win

Look for slots with an RTP of 96% or higher for better long term value. Also review the maximum win potential as many games now offer payouts of 20,000x to 50,000x+ your stake. Below is a table of some well known providers with highest RTP% and max win potentials:

Provider	Highest RTP	Highest Max Win	Best Bonus Buy Slot
Nolimit City	96.01%	500,000x	Tombstone Slaughter
NetEnt	96.26%	200,000x	Starburst XXXtreme
Pragmatic Play	96.5%	180,000x	Peking Luck
Big Time Gaming	96.44%	150,335x	Golden Goose Megaways
Relax Gaming	96.10%	150,000x	Money Train 4
Yggdrasil Gaming	96.0%	102,838x	Cazino Zeppelin Reloaded
Red Tiger	96.0%	100,000x	Judgement Day Megaways
Push Gaming	96.55%	100,000x	Razor Returns
Play ‘n GO	96.7%	68,308x	Enchanted Crystals
Slotmill	96.07%	40,000x	Ragnarok 40k
Hacksaw Gaming	96.18%	30,000x	Chaos Crew 3

Understand the Game Mechanics

Before buying any feature, make sure you understand how it works. Mechanics such as multipliers, sticky wilds, cascading wins or respins can greatly affect your results. Trying demo versions or watching gameplay can help you make a more informed choice. Each game will have information on the game rules, mechanics and bonus buy options as below:

Choose a Trusted Casino

Always play at a licensed and reputable casino that supports Bonus Buy slots. Reliable platforms provide secure payments, fair gameplay and responsible gambling tools, along with promotions or cashback offers that can extend your playtime.

Final Advice:

Test a few Bonus Buy slots in demo mode before buying in with real money. It’s the best way to understand volatility and features without risk.