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Big Bonus Slot

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Big Bonus is an online video slot from developers, Inspired Gaming. It uses a 6x4 format and has an RTP of 95.68%. ...

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  • Classic fruit machine theme
  • Interactive bonus game
  • Good graphics
  • Slightly below average RTP
  • Soundtrack can get repetitive


Big Bonus is a 6x4 video slot, and is British-based developers Inspired Gaming's take on a classic fruit machine. Inspired is a major player in both the online and casino gaming markets, supplying products to thousands of casinos worldwide, so there's a good chance you might have played one of their games already. 

Inspired Gaming has a strong reputation in the gaming market, with products that are usually well-engineered and designed, so we had strong hopes for this Big Bonus slot, which includes a number of special features we'll examine later on.

Graphics and Soundtrack

Big Bonus is themed around the classic fruit machine, and all the usual symbols you'd expect to be found are featured here.

The reels and symbols are nicely designed, and smooth animations accompany each win. Doing a reboot on a classic fruit machine was never going to reinvent the wheel exactly, but Inspired has done a good job making Big Bonus a nice visual experience all the same.

The in-game menus and controls are nice and easy to understand and it's really easy to get started. The game doesn't feature a soundtrack as such, but frequent sound effects accompany each play and wins.

The sound effect chosen for each spin of the reels can become a little much during extended play, however, but there is an option to disable this.

Big Bonus Slot

Return to Player in Big Bonus

Big Bonus has an RTP of 95.68%, which is slightly under the slot market's general 96-97% average RTP. The game has medium volatility, with Inspired giving the game 6/10 volatility.

How to play

Big Bonus is fairly intuitive to play, but here's a few quick tips to help get you started:

  1. Once the game loads, click the 'cog' button on the right of the screen. This will open the pause menu. From here, you can control the game's settings as well as view your previous betting history.
  2. Click the 'game info' button. This will display the game's paytable along with the basic rules. Swipe left and right to view information on the different game modes. It's always a good idea to take a moment to understand this information before playing for a more rewarding gaming experience.
  3. Click the back arrow button at the top right of the screen to return to the main game screen. The button on the left of the screen with a coins symbol can be used to adjust your wager.
  4. The menu along the bottom of the screen displays your current balance and stake level, along with any winnings from your previous spin.
  5. Once you've determined an appropriate budget for your gaming session, you're ready to click the spin button and start playing! Please always remember to play responsibly.

Paytable wins

The paytable for successfully matching 6 symbols in Big Bonus is as follows:

  • 6x Crown - 4.00
  • 6x Red Number 7 - 3.00
  • 6x Blue/White Number 7 - 2.00
  • 6x Watermelon/Grapes - 1.60
  • 6x Cherries/Lemons/Oranges/Blueberries - 1.00

Although these payouts might seem particularly low, Big Bonus does have a few solid special features.

When a player successfully scores 3 or more scatter symbols on the reels, the Big Bonus feature will be triggered, allowing the player to choose a 'big bonus win value' of up to 100x their initial stake.

The player then enters an unlimited free spins game which features sticky wild symbols. Each wild landed successfully will be fixed in place until the end of the bonus game, giving the player further chances to win in subsequent spins. The aim is to continue spinning until you have exceeded your chosen big bonus value in a single spin. 

Big Bonus Slot
Max-win 5,807x
Big Bonus Slot
Volatility Medium
Big Bonus Slot
Top RTP 95.68%

Big Bonus Slot Review - Overall Verdict

Overall we found Big Bonus to be an exciting take on the classic fruit machine-style game we've all enjoyed at some point. So if you're looking for a classic, iconic-ally themed slot, you could do worse than to try Big Bonus today.

Disclaimer: Big Bonus trademark / license is owned by Inspired. This site is not endorsed by Inspired.

Slot Data
Slot Name: Big Bonus
Software: Inspired
RTP: 95.68%
Volatility: Medium volatility
Paylines: 50
Reels: 5
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £20 (GBP)
Top Win: 5807
Features: Wild Symbol, Free Spins, Medium volatility, 6 Reels
UK Available in UK? Yes. Inspired have a UKGC license and are allowed to offer their games at UK licensed casinos.


What's the games RTP?

Big Bonus has a 95.68% RTP rate.

How volatile is Big Bonus?

Big Bonus is considered a medium volatility slot.

What's the maximum payout possible?

5,807x your stake.

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    Overall score: 3.3 out of 5 stars
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