Enter the fiery Hell of Hellboy and capture as many juicy features as you can. You’ll be dancing through the flames as your wins get hotter and hotter…


This 200-coin slot machine with 20 sizzling paylines will have you coming back for more after you explore what the Underworld has to offer. With random bonus wins, Free Spins and Supermodes you’ll never want to leave, Hellboy is ready and waiting to grant you the wins of your dreams.

How To Play

Select your bet amount and get ready to Spin yourself to Hell. As you wander through the flames, be aware of the numerous Scatter and Wild symbols that could lead you onto some extra-hot levels.

Underworld Bonus Game

You will be presented with 4 tunnels, each has 5 doors. Behind each door will either be a random bonus win amount, or a random bonus with amount with a Win All symbol or a Blocked symbol. If you find a random bonus win amount, you may choose again. If you find one with a Win All symbol, you win the amounts hidden in the level and move onto the next level. Find a random bonus win amount with a Blocked symbol, the game ends.

If you complete all 4 levels, you move onto the Chamber of Fire. Shoot the crystal to reveal a Relic of Power and win an additional random bonus amount. You will win the total of all the bonus win amounts revealed, which will already be multiplied by your bet amount.

Underworld Bonus Game cannot be activated in Supermode.


This will be randomly activated. Up to 3 Wild symbols are randomly activated and held in position for the duration of the free spins. The last bet placed is the bet used for the free spins bet amount. This round cannot be reactivated.

Gamble Feature

Any win activates the Gamble feature, but it is not available if your wins exceed the gamble activation limit. You can play the feature or skip it, it’s up to you! If you select the correct colour card, your win is doubled. If you select the correct card suit your win is quadrupled. You can play until the gamble limit is reached, this is set at an amount limit or 5 gambles per game.

Return To Player

This game has a theoretical RTP of 96.49% which means for every £100 wagered it will pay out £96.49.

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