Mega Heist

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Rules and Gameplay

Mega Heist slot machine by Relax Gaming is an innovative blend of heist and prison break themes set against a thrilling casino backdrop. The game initiates in a penitentiary setting, with players aiming to trigger the Escape Bonus by landing 2 bonus scatters. This transition from a seemingly mundane prison life to exciting heist missions encapsulates the player in an engaging narrative. Gameplay unfolds on a 5×4 grid with 178 connecting ways to win, where matching symbols must align from left to right on adjacent reels and be situated on the same row or one directly above or below. The unique blend of thematic elements with intricate gameplay mechanics ensures an immersive gaming experience.

Bonus Features

Mega Heist is packed with thrilling bonus features that enhance the gaming experience and offer substantial winning opportunities:

  • Escape Bonus: Triggered by 2 bonus symbols, it simulates a prison riot, enabling robbers to attempt an escape, moving from left to right, with each carrying a bet multiplier or bonus symbol.
  • Mega Heist Bonus Round: Activated from the Escape Bonus or by landing 3-5 bonus symbols, offering players 10, 15, or 30 robbers to partake in heist levels with increasing rewards.
  • Power-up Symbols: Throughout the Mega Heist Bonus, robbers can collect symbols that provide benefits such as multipliers, extra robbers, police disguises, motorbikes, and buses for direct transport to the Safe Zone.
  • Bonus Buy Feature: Non-UK players can access the Mega Heist Bonus directly by paying 150x their stake, starting with 10, 15, or 30 robbers and an increased RTP of 96.5%.

These features, combined with the game’s unique progression system, offer a dynamic and variable gameplay experience that keeps players engaged.


The Mega Heist slot game features a diverse range of symbols, each contributing to the thematic depth and the potential for winnings:

  • Low-Pay Symbols: Four playing card suits (Diamonds, Clubs, Spades, Hearts) offering lower payouts.
  • Mid-Pay Symbols: Thematic items such as Soap, Dice, and Handcuffs, which align with the prison escape narrative.
  • High-Pay Symbols: Characters including three Prisoners and a Prison Guard, offering higher rewards.
  • Wild Symbol: Represented by a sunglassed ‘W’, substitutes for all pay symbols to form winning combinations.
  • Bonus Symbol: Triggers the Escape Bonus, acting as a key to unlocking the game’s special features.

Understanding these symbols and their significance is essential for maximizing the gaming experience and unlocking the full potential of Mega Heist’s payouts.


The Mega Heist slot machine offers a diverse payout structure, with potential winnings scaling up to 15,000x the stake in the bank level of the Mega Heist Bonus. Symbol payouts vary:

Symbol Type 5 of a Kind
Low-Pay Symbols 2x to 6x the stake
Mid-Pay Symbols 3x to 20x the stake
High-Pay Symbols 6x to 20x the stake

These payouts, combined with the game’s high volatility and the variety of bonus features, provide a thrilling chance for significant wins.


Mega Heist utilizes a 178 connecting ways system, offering players numerous opportunities to win. This system requires symbols to start from the left-hand side of the grid and land on adjacent reels, either on the same row or one row above or below. This innovative payline system adds an exciting layer to the gameplay, encouraging strategic thinking and engagement.

Pros & Cons

Pros Cons
Innovative blend of heist and prison break themes High volatility may not suit all players
Engaging bonus features with good depth Expensive Bonus Buy feature for some players
High max win potential up to 15,000x Limited appeal to players who prefer traditional slot mechanics

Minimum and Maximum Bet

The betting range in Mega Heist is designed to accommodate a wide spectrum of players, from beginners to high rollers. The minimum bet starts at $0.20, making it accessible for players with a conservative budget. On the other end, the game allows for a maximum bet of $50 per spin, catering to those who are looking for higher stakes and potentially bigger wins. This range ensures that Mega Heist is approachable for a diverse audience, offering flexibility in gaming strategy and bankroll management.

Game Jackpot

Mega Heist boasts a jackpot win of up to 15,000x the player’s stake, presenting a significant winning potential. The game operates on a high variance model, which means that while wins may be less frequent, they have the potential to be much larger when they do occur. The Return to Player (RTP) is set at a solid 96.19%, which is around the industry average, offering a fair balance between the casino’s edge and the player’s winning potential. The combination of high variance and a competitive RTP makes Mega Heist an enticing option for players seeking thrilling gameplay with substantial payout opportunities.

About Provider

Relax Gaming is the innovative developer behind Mega Heist, known for their creative approach to online slots and casino games. Since its inception, Relax Gaming has established a reputation for developing high-quality, engaging, and visually appealing games that push the boundaries of traditional online gaming. The provider has a diverse portfolio that includes slots, poker, and bingo games, each designed with a focus on player experience and satisfaction. With Mega Heist, Relax Gaming continues to showcase their commitment to excellence and innovation, solidifying their position as a leading game provider in the online casino industry.

How To Play

  1. Start by setting your bet size using the plus and minus buttons to adjust your wager from $0.20 to $50 per spin.
  2. Press the play button to spin the reels. The game’s 5×4 grid will animate, and the symbols will land in random positions.
  3. Wins are awarded for matching symbols on adjacent reels, starting from the leftmost reel, across 178 connecting ways.
  4. Look out for the bonus symbols landing 2 triggers the Escape Bonus, and 3 or more activate the Mega Heist Bonus Round with increased winning potential.
  5. Utilize the bonus features wisely. Power-up symbols during the Mega Heist Bonus can significantly enhance your winning chances.
  6. For players outside the UK, consider using the Bonus Buy feature to directly access the Mega Heist Bonus, offering a higher RTP of 96.5%.


Mega Heist by Relax Gaming is a thrilling addition to the online slot market, blending an engaging theme with innovative gameplay features. The game’s broad betting range, high max win potential, and the blend of exciting bonus features ensure a dynamic gaming experience. While the high volatility and the Bonus Buy feature’s cost might deter some, the overall design, engaging theme, and potential for substantial payouts make Mega Heist a must-try for fans of online slots. Relax Gaming’s commitment to innovation and player satisfaction shines through in this release, making it a standout game in their portfolio.