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Boom Free Demo Play

Boom is a slot game developed by Playtech. This bomb-themed game features 5 reels, 3 rows and 50 paylines. However, during the !Boom! Hold & Spin bonus round, this configuration increases to 5 rows and 9 rows.

The Best Online Casinos & Bonuses to Play Boom for Real Money

Boom - Slot Review

Watch out, it’s going to explode!!!

Boom is a slot machine developed by the supplier Playtech. It has a configuration of 5 reels, 3 rows and 50 paylines. The theme is bombs. In the background, the player can see a blue design consisting of several diamonds. Just at the bottom left of the reels, the title of the game appears in an explosive graphic. The upper part of the board shows 4 frames with numbers inside and words just above. The first one has “E10.000.00” inside and the word “BIG” written right above it. The second one has “E2500.00” and “MAJOR”, the third frame has “E500.00” and “MINOR”. The last frame has “E100.00” and “MINI” above it. These are the different progressive jackpots that are built in.

PROs & CONs of Boom


  • Win up to 10,000x
  • 4 Jackpot prizes
  • Hold & Win + boosters
  • Wide betting range


  • RTP is high, but may vary

The reels feature regular symbols such as cards (10, J, Q, K, A) that are worth between 0.1 and 1.6x the bet. Then there are the following: glasses, figures, cables and bombs. These icons are worth between 0.1x and 3x the bet.

The special symbols are made up of a Wild logo marked on an explosive graphic design. It is worth 0.2, 1, and 3x the bet for a winning combination of 3, 4, or 5 symbols. There is also a large ball, actually a slightly rounded circular bomb on which the player can read the word “B.O.N.U.S.”. It corresponds to the Scatter. This symbol is worth 1, 10 and 50x the bet for a 3, 4 and 5 item match. In addition, there are small green and blue circles called Green and Blue Symbols that are also bombs and win multipliers. The green bombs have the following numbers inside: “20.00”, “50.00”, “75.00”, “25.00”. These are winnings multipliers. The blue ones, on the other hand, show useful tools during the !Boom! Hold and Spin.

Boom Bonus

You can win one of 4 Jackpot prizes.

Enjoy progressive jackpots, free spins, a probable maximum payout of 10,000x the bet and other features

To play Boom! Hold and Spin, you need to spend between $0.1 and $450. The RTP is 96.59%. The maximum probable payout is 10,000x the stake. The game’s features revolve around the wild, free spins, progressive jackpots and the !Boom! Hold & Spin.

Wild and Free Spins Feature

The Wild substitutes the regular symbols except for the special icons to form wins on the screen. And the Scatter triggers the free spins bonus. This bonus is triggered by 3 or more Scatters; this allows the player to enjoy 8 free spins. During this mode, the middle reel displays only the special symbols to encourage the formation of larger winning combinations. This also boosts the chances of landing the blue and green bombs that are essential to activate the !Boom! Hold & Spin.

Boom vs. 3 other slots by Playtech

Slot nameRTPMax. winMin. betMax. bet
Green Wizard95.9%2,000x$0.10$500
Silver Bullet Bandit95.4%1,000x$0.10$500
Shark Blitz95.1%37,500x$0.25$200

!Boom! Hold & Spin

This feature is activated when 6 or more green and blue symbols land on the screen. Once the feature is triggered, the screen layout changes completely. The shape of the reels thins out and changes to a 5×9 configuration. The diamonds in the background turn orange and the different frames with the progressive jackpots stand out to the left. The game title moves up to the left.

For a start, only the first three rows of the 5 reels will be operational. The other rows unlock when the player gets blue bombs. Once all the reels are unlocked, the multipliers work as follows:

  • On the first 6 rows, a multiplier of x1 applies,
  • On the 7th row, the bombs have a x2 multiplier,
  • On the 8th row, the multiplier value is x5,
  • On the 9th row, all symbols that land are stars; they allow you to win the different progressive jackpots.

Progressive Jackpots

As mentioned above, there are 4 progressive jackpots in the slot machine:

  • “BIG” allows you to get up to 10,000x the bet;
  • “MAJOR” = 2,500x the bet;
  • “MINOR” = 500x the bet;
  • “MINI” = 100x the bet.

FAQs about Boom

There are a total of 4 different jackpots to be earned. The height of the BIG Jackpot can reach a maximum of 10,000x.

When it comes to test mode any trusted gambling operator or casino related site such as Correct Casinos would be fine. Once real money gets invested legitimate operator with solid reputation and top tier services must be selected. Best choice would vary depending on personal requirements.

Each casino has its own welcome bonus system and special features. To get the best free spins offers, you can check out our list of casinos that offer the best free spin choices for Boom as well as many other online slots!

Players can place bets between $0.10 and $450.

Software Playtech
Slot Types Video Slots
Reels 5x3
Paylines 50
Slot Game Features Free Spins, Hold and Win, Jackpot, Multipliers, Scatters, Wild Symbol
Min. Bet 0.10
Max. Bet 450
Slot Themes Classic
Slot RTP 96.6%
devices Mobile versionTablet versionDesktop version
Boom Slot by Playtech

Game Winnings and Payouts

Boom Bombs Symbol

x5 = 150

x4 = 50

x3 = 10

Boom Cabels Symbol

x5 = 100

x4 = 30

x3 = 5

Boom Pawn Symbol

x5 = 100

x4 = 20

x3 = 5

Boom Glasses Symbol

x5 = 100

x4 = 20

x3 = 5

Boom Ace Symbol

x5 = 80

x4 = 20

x3 = 5

Boom King Symbol

x5 = 80

x4 = 20

x3 = 5

Boom Queen Symbol

x5 = 50

x4 = 10

x3 = 5

Boom Jack Symbol

x5 = 50

x4 = 10

x3 = 5

Boom Ten Symbol

x5 = 50

x4 = 10

x3 = 5


About the author

Kate Ko

Kate Ko / Games editor

last updated

Kate joined CorrectCasinos' game team in the late 2021. She's here to find and review all new and upcoming slots titles, so you can just enjoy their free play.

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