Bonus Buy slots have changed how players experience online slot games, allowing them to access special features without waiting for the required symbols to appear during regular gameplay. Instead of relying entirely on standard spins to activate free spins, multipliers or other bonus rounds, eligible players can pay a fixed amount to trigger a selected feature.
We explore how Bonus Buy slots work, what they cost, which developers offer them and what players should understand before using them. From traditional free spins purchases to high-volatility features with multiple buying options, this guide explains the mechanics, potential advantages and financial risks involved.






What Are Bonus Buy Slots?
Bonus Buy slots, also known as Feature Buy slots, are online casino games that allow players to purchase access to a bonus round directly. The feature typically appears as a separate button within the game interface, displaying the available options and their respective costs.
Traditional slots require players to land specific combinations of symbols, usually scatters, to unlock free spins or special features. Bonus Buy slots provide an alternative by allowing eligible players to pay a predetermined amount to activate the feature.
The cost is generally calculated as a multiple of the standard betting amount. For example, a feature priced at 100x the stake would cost £100 when playing at £1 per spin.
Although purchasing a feature removes the need to wait for a natural trigger, it does not guarantee a profit or a particular payout. Bonus rounds remain subject to random outcomes and can return considerably less than their purchase price.
How Do Bonus Buy Slots Work?
Most Bonus Buy games follow a straightforward process, although the available features and prices vary between developers.
- Choose your stake: Select the standard betting amount, which determines the cost of the feature.
- Open the Bonus Buy menu: Locate the dedicated purchase button within the slot interface.
- Compare the available features: Some games offer several bonus rounds with different prices, volatility levels and mechanics.
- Check the total cost: Review the amount that will be deducted from your balance before confirming.
- Activate the feature: Once purchased, the selected bonus round begins according to the game’s rules.
Players should remember that buying a feature is a separate wager, often substantially more expensive than a regular spin.
How Much Do Bonus Buy Features Cost?
The price of a Bonus Buy varies depending on the slot’s mathematical model, developer and selected bonus round. Some games offer relatively inexpensive purchases, while others provide premium features costing hundreds of times the base stake.
The following table illustrates how different purchase multipliers translate into real-money costs.
| Bonus Buy Price | £0.20 Stake | £0.50 Stake | £1 Stake |
|---|---|---|---|
| 20x | £4 | £10 | £20 |
| 50x | £10 | £25 | £50 |
| 75x | £15 | £37.50 | £75 |
| 100x | £20 | £50 | £100 |
| 150x | £30 | £75 | £150 |
| 250x | £50 | £125 | £250 |
| 500x | £100 | £250 | £500 |
Illustrative purchase costs, not prices for specific games. Actual availability and limits vary.
As demonstrated above, even a small base stake can result in a substantial feature purchase. A 500x bonus at £1 per spin costs £500, regardless of whether the round produces any winnings.
Different Types of Bonus Buy Features
Not every Bonus Buy slot offers the same experience. Developers have introduced several variations that change how purchased features operate.
Free Spins Bonus Buys
One of the most common options allows players to purchase a predetermined free spins round. Depending on the game, this may include additional wild symbols, multipliers, expanding reels or other special mechanics.
Enhanced Bonus Buys
Enhanced purchases generally cost more than standard free spins and may provide extra starting symbols, higher initial multipliers or access to an alternative bonus round.
A higher purchase price does not necessarily mean the feature offers better expected value.
Mystery and Random Feature Buys
Some slots allow players to purchase a feature with an element of uncertainty. Rather than selecting a particular bonus round, the purchase may trigger a random outcome from several possibilities.
The exact mechanics depend on the developer and the game’s published rules.
Super Bonus Buys
Super Bonus features are commonly associated with highly volatile slots. These purchases can cost several hundred times the standard stake and may provide access to the game’s most volatile bonus configurations.
The potential for large payouts comes with a substantial risk of losing the entire purchase amount.
Bonus Buy Slots vs Traditional Slots
Both game formats use random outcomes, but the way players access bonus rounds differs.
| Feature | Bonus Buy Slots | Traditional Slots |
|---|---|---|
| Access to bonus rounds | Direct purchase available | Usually triggered through gameplay |
| Upfront cost | Often high | Standard spin stake |
| Waiting for a bonus | Usually bypassed | Depends on random outcomes |
| Bonus round selection | Sometimes multiple options | Usually determined by the game |
| Volatility | Often high or extreme | Low to extreme |
| RTP | May differ by purchase option | Based on regular game configuration |
| UK availability | Direct feature purchases generally unavailable on UKGC-licensed slots | Widely available |
Neither format guarantees better results. Bonus Buy slots change how money is wagered and when features are activated, rather than removing the underlying gambling risk.
RTP and Volatility in Bonus Buy Slots
Two important factors to understand are Return to Player (RTP) and volatility.
Return to Player (RTP) represents the theoretical percentage of total wagers a slot is designed to return over a very large number of plays. Some developers provide different RTP values for regular gameplay and purchased bonus rounds.
For example, a slot might advertise a theoretical RTP of 96% during standard gameplay and 96.5% for a particular purchase option. This difference does not guarantee a better result from an individual bonus.
Volatility describes how widely results can vary. Highly volatile games may produce frequent low-paying outcomes alongside the possibility of occasional larger wins.
Bonus Buy slots often involve high volatility, particularly when purchasing premium features. A bonus round costing 100x the stake can return substantially less than its purchase price, including nothing.
Advantages and Disadvantages of Bonus Buy Slots
| Advantages | Disadvantages |
|---|---|
| Direct access to selected bonus features | Significantly higher upfront costs |
| Less time spent waiting for natural bonus triggers | Rapid balance depletion is possible |
| Some games provide multiple purchase options | No guarantee of profitable results |
| Feature prices are displayed before purchase | High and extreme volatility |
| Demo modes may allow feature testing | Restricted in some regulated markets |
| Different mechanics and bonus configurations | Easy to underestimate cumulative spending |
Which Developers Create Bonus Buy Slots?
Several established game studios have contributed to the development of Bonus Buy mechanics.
Pragmatic Play
Known for free spins purchases, tumble mechanics and multiplier-based features across numerous slot releases.
Hacksaw Gaming
Frequently incorporates several purchase options with different feature configurations and volatility profiles.
Nolimit City
Recognised for unconventional slot mechanics, high volatility and premium bonus purchases.
Relax Gaming
Produces feature-driven games with respins, free spins and various purchase mechanics.
Big Time Gaming
An early innovator in direct feature purchases, including its Feature Drop mechanic.
Responsible Gambling and Bonus Buy Slots
Responsible gambling is particularly important when playing Bonus Buy slots, as these games can involve significantly higher costs than traditional online slots. While standard spins may cost just a few pence, purchasing a bonus feature can require a wager worth 50x, 100x or even 500x the original stake.
Although Bonus Buy features provide direct access to free spins and special rounds, they do not guarantee winnings. Players can lose the entire purchase amount, and repeated feature purchases can result in substantial losses over a short period.
Understanding the risks, setting clear financial limits and recognising when gambling is becoming problematic are essential parts of safer gambling.
Tips for Safer Gambling
- Set a gambling budget: Decide how much money you can afford to lose before playing. Never gamble with money needed for bills, rent or everyday expenses.
- Understand Bonus Buy costs: Always check the total purchase price. A 100x feature at £2 per spin costs £200.
- Avoid chasing losses: Purchasing additional bonuses to recover previous losses can quickly increase financial harm.
- Set time limits: Decide how long you intend to play and take regular breaks.
- Use responsible gambling tools: Where available, activate deposit limits, spending limits, reality checks and self-exclusion options.
- Never gamble with borrowed money: Avoid using loans, overdrafts or credit to fund gambling.
- Understand RTP and volatility: A high theoretical RTP does not guarantee winnings, and highly volatile games can produce substantial losses.
- Recognise warning signs: Gambling that causes financial problems, stress, secrecy or difficulties with relationships may indicate that additional support is needed.
Recognising Problem Gambling
Gambling can become harmful when it begins to negatively affect a person’s finances, mental wellbeing or everyday responsibilities.
Common warning signs include spending more than intended, struggling to stop playing, borrowing money to gamble, hiding gambling activity from family members and repeatedly attempting to recover losses.
If gambling stops feeling like entertainment and becomes a source of stress or financial pressure, seeking professional support is an important step.
Responsible Gambling Organisations and Support Websites
Several independent organisations provide free information, practical tools and confidential support for people affected by gambling-related harm.
GamCare
Provides confidential advice, emotional support, live chat and access to specialist gambling support services.
National Gambling Helpline: 0808 8020 133 (24/7 in England and Scotland).
Visit GamCare Founder of the National Gambling Helpline
GAMSTOP
A free self-exclusion service allowing UK residents to restrict access to gambling websites and apps operated by businesses licensed in Great Britain. It does not cover unlicensed offshore sites.
Visit GAMSTOP Gamstop Online
GambleAware
Offers educational resources, information about gambling-related harm and guidance for accessing specialist support services.
Visit GambleAware GambleAware
NHS
Provides information about gambling-related problems, treatment options and ways to access professional support.
UK Gambling Commission
The gambling regulator in Great Britain, providing information about licensing, consumer protection and safer gambling requirements.
UKGC Safer Gambling Guidance Gambling Commission
Taking a Break or Blocking Gambling Websites
For individuals who want to reduce or stop gambling, self-exclusion and blocking software can provide additional protection.
GAMSTOP allows eligible users to exclude themselves from participating UK-licensed gambling websites, while specialist blocking software can restrict access to gambling-related websites and apps more broadly.
Many UK banks also provide gambling transaction blocks, which can help prevent payments to gambling operators. These tools can be used alongside professional support rather than as substitutes for it.
Frequently Asked Questions
What is a Bonus Buy slot?
A Bonus Buy slot is an online casino game that offers the option to purchase access to certain bonus features rather than waiting for them to activate through standard gameplay.
Do Bonus Buy slots pay more than regular slots?
Not necessarily. Some feature purchases have a different theoretical RTP, but this does not guarantee higher winnings or make individual purchases profitable.
What is the cheapest Bonus Buy?
Purchase prices vary considerably. Some features cost around 20x the stake or less, while premium purchases can cost hundreds of times the standard betting amount.
Can you lose money on a Bonus Buy?
Yes. A purchased feature can return less than its cost, including zero. Buying a bonus does not guarantee winnings.
Are Bonus Buy slots available on mobile?
Many modern slots support mobile gameplay, although Bonus Buy availability depends on the game’s configuration, casino and local regulations.
Can you play Bonus Buy slots in demo mode?
Some games provide free demo versions with virtual credits. However, the purchase feature may be disabled depending on regional restrictions or the demo configuration.