Who made the Hellboy slot?

Hellboy is developed by Microgaming. It is a licensed slot based on the Dark Horse Comics character and franchise.

What is the RTP of the Hellboy slot?

The Hellboy slot has an RTP (Return to Player) of 96.49%, which is above the average for online slots.

How many reels and paylines does Hellboy have?

Hellboy has 5 reels and 20 fixed paylines. All 20 lines are active on every spin.

How does the Supermode free spins feature work?

Supermode is triggered randomly during the base game rather than by scatter symbols. It awards 10 free spins with three wild symbols locked in position on the reels for the entire feature.

What triggers the Underworld Bonus in Hellboy?

The Underworld Bonus is triggered by landing the Right Hand of Doom scatter symbol on reels 3, 4, and 5 at the same time. Players then navigate four tunnel levels to find the Relic of Power.

What are the betting limits on the Hellboy slot?

The Hellboy slot has a minimum bet of 20p per spin and a maximum bet of £50 per spin.

Hellboy Slot Review | Microgaming

Provider	Microgaming

Hellboy is a 5-reel, 20-payline video slot from Microgaming, built around the iconic Dark Horse Comics character. It brings together licensed artwork, a medium-volatility engine, and two distinct bonus features that keep play interesting across a range of stakes.

Hellboy Slot at a Glance

Before diving into the features, here are the core stats:

Developer: Microgaming
Reels / Paylines: 5 reels, 20 fixed paylines
RTP: 96.49%
Volatility: Medium
Min Bet: 20p per spin
Max Bet: £50 per spin
Max Win: 25,000 coins

The 96.49% RTP sits comfortably above the industry average and makes this one of Microgaming's more player-friendly licensed slots. Medium volatility means wins arrive at a reasonable pace without either flatlining during long dry spells or dumping all value into rare mega-hits.

Theme and Symbols

The reels feature characters pulled directly from the Hellboy universe: Hellboy himself, Liz Sherman, Abe Sapien, Johann Krauss, and Professor Bruttenholm all appear as high-value symbols. Lower values are covered by playing card ranks (9 through Ace), which is a minor compromise on theme but keeps the paytable familiar.

The Hellboy Logo acts as the wild. It substitutes for all symbols except the scatter and doubles the payout of any winning combination it completes. Landing five wilds on a payline at maximum bet delivers the top payout of 25,000 coins.

The scatter is Hellboy's Right Hand of Doom, his oversized stone fist. It pays in any position from two symbols upwards, contributing to wins regardless of payline position.

Supermode Free Spins

The free spins feature in Hellboy works differently to most slots. Rather than being triggered by scatter symbols, Supermode activates randomly during base game play. When it fires, you receive 10 free spins with three wild symbols placed on the reels and locked in position for the entire feature.

Three sticky wilds across 10 spins is a powerful setup. The locked positions mean wins can stack across multiple paylines on every single spin, and the feature cannot be retriggered once active. The random trigger mechanic adds an element of unpredictability that suits the character well - you never quite know when Hellboy is going to turn things in your favour.

Underworld Bonus Game

The second feature is a pick-em bonus triggered by landing the Right Hand of Doom scatter on reels 3, 4, and 5 simultaneously. Once triggered, you enter the Underworld and navigate four levels of tunnels in search of the Relic of Power.

At each level you choose a tunnel to move through. Some paths reveal other members of the B.P.R.D. team, who award cash prizes. Some paths are blocked, ending the bonus round early. If you clear all four levels, you reach the Chamber of Fire and get the chance to shoot the crystal for a random cash prize.

The Underworld Bonus keeps players engaged through multiple decision points and ties directly into the comic's lore, making it one of the more thematically cohesive bonus rounds in Microgaming's licensed portfolio.

Gamble Feature

After any win in the base game, you can choose to gamble. The mechanic is a simple card-colour guess: correctly predict whether the next card is red or black to double your win, or guess the suit to quadruple it. This is a standard addition and entirely optional - useful if you want to push a modest win higher, though it carries the same risk as any coin flip.

How Does Hellboy Play?

Hellboy sits in a comfortable middle ground. The base game keeps a consistent pace thanks to medium volatility and 20 active paylines, while the wild doubling mechanic means standard wins can pay out more than the base paytable suggests. The doubling wild and the sticky wilds in Supermode are the two mechanics that set it apart from generic 5x20 slot structures.

The Underworld Bonus adds depth for players who want a feature with some agency rather than a straightforward free-spin counter. Navigating tunnels and picking paths gives the bonus round a sense of progression that pure free-spin features lack.

At 20p a spin minimum, it's accessible to most bankrolls. The fixed payline structure means you're always covering all 20 lines, which keeps the hit rate consistent. High-stakes players can push up to £50 per spin, and at maximum bet the 25,000-coin cap is within reach via the wild combination.

Final Thoughts

Hellboy is one of Microgaming's better-executed licensed slots. The RTP of 96.49% is strong, the Supermode's sticky wilds create genuinely good win potential during free spins, and the Underworld Bonus gives the game a feature layer that holds up well. If you enjoy medium-volatility play with two distinct modes of bonus action, Hellboy delivers both without overcomplicating the experience.