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Reviewed by: Emily Warren Linkedin
Last updated: 05/09/2022
Booster is a slot machine that comes from game developer iSoftBet and brings players back to the more classic symbols with a retro feel, but at the same time you get the feeling that when you play Booster you end up in an intergalactic adventure.
18 + - play responsibly-Terms & Conditions apply - min. deposit$ 100-0x wagering requirements
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18 + - play responsibly - new customers only - wagering requirements casino X20 - wagering Free Spins 0x - winnings are real money-wager within 60 days.
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18+ years-Play responsibly, The National Gambling Exclusion Scheme. the offer is valid for new players from september 1, 2020 onwards. My. deposit 100$. Cash free Spins are valid for 60 days. Cash free Spins are wager-free. winnings are real money. The free bet is valid for 60 days with no wagering requirements.

Among the symbols you can find classic symbols such as BAR signs, diamonds and 7s but all are updated in colors and design. The playing field itself, on the other hand, is in panoramic view and you get the feeling that you are sitting in a spacecraft and control the high-tech ship, you can see how the stars slide past outside the windows.

About The Slot Machine

In Booster you can find various features such as bonus games, multiplications and free spins . The game has an RTP of 97.40%. The game is in the classic direction and the playing field has 5 reels on 3 rows and a total of 25 paylines which you can choose to play.

You have the possibility to set how much you want each line to be worth that you play on and can therefore adapt the game very much to how you want to make their bets ranging from low bets of$0.01 onor per line up to$1 Onor per line. There is only one bonus game in booster but in the bonus game itself you have the opportunity to win good prizes with either coin winnings of up to 6000 coins or free spins with or without multipliers.

Booster functions

In Booster there are different symbols and they have different values, the symbol that is lowest is three different bar characters in black with white text, the different symbols here are stacked at the height of 1, 2 and 3 lines. Here you can also find two different 7's, one in blue and the other in the Orange direction, yellow stars give a little higher winnings.

The symbol that gives the highest win is if you manage to get a large, shiny diamond in purple.

In addition to these base symbols, there are some other special symbols you should keep an eye on, one of the ones you want to keep an eye on is the scatter symbol because it makes the game's bonus game start and can give nice winnings. The game's scatter symbol is a large circle a bit like it could be one of the spaceship's windows, this one the circle is the game's scatter and bonus symbol, these can activate free spins, multipliers and bonus games .

Our Rating
Game information
Games 2017
Max profit 100 000 coins
Reels / paylines 5 / 25
Theoretical payback-RTP 97.4
Coin value 0.01 - 25
Total effort 2.50 - 1000
Volatility N / A
Free spins Yes
Bonus features Free spins, multiplier, scatter symbols, bonus games

Booster bonuses, free spins and special features

To get Bonus Games in Booster, you need to get three or five round symbols that have a flash on them. During a few rounds you can then win free spins, coin wins or free spins with multipliers here you have the opportunity to win a little bigger as you have the opportunity to be able to quintuple your winnings.

In the game there is a box that gives the absolute highest chance of free spins, and it gives a total of 50 pieces and in addition to the high number, there is also a multiplier that doubles everything during these spins.

While you have the free spins active, it is good to have a little extra check if any scatter symbols appear for these symbols so that you can get bigger and more wins.

booster pulse functions

Booster graphics and sounds

iSoftBet has managed to create a superb combination of the older days game symbols together with a space theme. Among the game symbols you can find BAR signs and lucky sevens on Transparent reels.

Getting a super modern space environment and older retro symbols to merge in a good way is not the easiest thing, but iSoftBet has succeeded.

You can imagine that there are stars that slowly slip by so that you get the feeling that the spaceship is moving. The background is in lilac tones with animations of stars moving. While playing as the reels spin, matching mysterious music is played that contributes to the gaming experience.

Booster payouts

In booster you will find 5 reels on 3 rows and you have 25 paylines, a bit off the standard for what is usually found in the games you find today.

To find the spin button and other functions, you have to look at the bottom under the playing field itself, these buttons are designed as a control panel.

Here you can set how much you want to bet or if you want to use the automatic play function, if you choose this, you can set how much you want as a loss limit so that you never lose more than what you feel comfortable with and you can also set it to stop if you get a profit that would exceed certain amounts.

At the top of the playing field there is a menu selection where you have the opportunity to read everything there is to know about Bonus games and also about all the different symbols.

You have opportunities to be able to win really good winnings in Booster, there are 8 different winning possibilities when the bonus game starts and here you can find winnings that can give free spins, coin winnings that can give up to 6000 coins but also free spins with multipliers.


Booster is a slot game developed by iSoftBet. The design of the game makes you get the feeling that you are in space, sitting in a spaceship. The background is in purple tones and the stars are designed in such a way that they move and give the feeling that you are moving.

The symbols in the game are a combination of the classic slightly older 7s and different bar symbols, there are two different symbols with 7s one is in blue and the other is in the Orange direction.

There are also three different variants with BAR symbols and then it is stacked 1, 2 or 3 on each other. You can also find a diamond in purple and a star in gold.

In the game there are a total of 25 paylines and the playing field is with 5 reels on 3 rows. You can choose bets and then they are at 0.01-1$ona per line.

If you do not want to sit and spin yourself, you can use the function that gives automatic spins and the maximum number of this function is 1000 pieces. If you want, you can choose whether you want the game to stop at a larger win or when you have lost a certain amount of money.

In booster there is only one bonus game but unlike other games where you need to have the scatter symbols in a row, there is nothing needed here. So if you get at least three scatter symbols here regardless of how they end up, you win a bonus game.

The bonus game starts by getting 3×3 squares with different wins on 8 of these and the last one is a start button to find out which bonus you win.

In the bonus game itself, there is the opportunity to win up to 100 free spins, various coin wins with the opportunity to win up to 6000 coins and also free spins with different numbers and in combination of multipliers.

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