Relax Gaming has waved a magic wand once again, unveiling the final installment of its highly popular slot series, Money Train 4. This latest addition to the franchise not only builds on the successful legacy of its predecessors but also brings a plethora of exciting features, making it a must-try for all gaming enthusiasts.

The journey commenced in 2019 with the launch of the first game in the series, Money Train, which introduced an innovative bonus game that quickly became a hit among gamers. The subsequent iterations, Money Train 2 and Money Train 3, only added to the series’ charm with their significant enhancements and increasing maximum win sizes.
Now, Money Train 4 seems poised to carry forward this momentum, promising an even more exhilarating gaming experience and a whopping maximum win of 150,000x the bet. Let’s examine the features that make this slot game an exciting finale to the much-loved series.
Money Train 4 Features and Bonuses
Money Train 4 employs a 6×6 grid and a scatter pays mechanic, where wins are awarded when at least eight high-paying or ten identical low-paying symbols appear anywhere on the reels. The game’s high volatility and an RTP of 96.1% (which rises to 96.5% when using the Bonus Buy feature) make it a thrilling ride for players.
Despite not having a wild symbol, Money Train 4 does not fall short on fun, offering players a host of symbols and features to engage with.
Respin Feature
The Respin feature may activate after any spin concludes. The most frequently appearing symbol on the reels becomes sticky, and a re-spin is triggered. During these re-spins, additional symbols of the same type can appear, along with multiplier symbols that increase the final winnings.
Money Train 4 Bonus
The Money Cart bonus round activates when a minimum of 3 Bonus symbols land anywhere on the reels. Once the bonus round begins, the symbols responsible for triggering the feature reveal a value displayed as a multiple of the initial bet, awarding three spins.
As rows fill with symbols, additional rows unlock, enabling the activation of actions by symbols in the newly accessible row. This process can repeat for up to 4 extra rows.


Bonus Buy
The Bonus Buy feature allows players to trigger the bonus game at any time. The options include:
- 100x the Bet (Original Feature): Triggers the bonus game like it would normally in the main game.
- 500x the Bet (Persistent Feature): Ensures the bonus game is triggered with 1 Persistent Symbol.
Special Symbols
Money Train 4 showcases a variety of special symbols, each contributing to the unique gameplay experience:
- Bonus Symbol: Reveals a value ranging from 1x to 10x the bet.
- Collector: Collects all visible values on the reels and adds them to its own value.
- Payer: Reveals a value, multiplies it by the bet, and adds it to all other visible symbols on the reels.
- Sniper: Doubles the values of 3 to 8 additional bonus symbols. It can do this multiple times with the same symbol.
- Arms Dealer: Transforms 1 to 4 Bonus Symbols into a feature symbol, after which the newly converted feature symbol enacts its designated action.
- Unlocker: Unlocks a locked row.
- Upgrader: Elevates 1 to 3 feature symbols to their Persistent variants.
For a complete list of special symbols and their respective functions, please refer to the game rules within the slot interface.
Design and Soundtrack
Set in a dusty, almost post-apocalyptic world, Money Train 4’s design is a testament to Relax Gaming’s expertise in graphic design. The game shifts from bright in the base game to moody in the bonus, accompanied by the visuals of a moving train, rocky landscapes, and an enigmatic moon in the background. The blend of visuals and sound in Money Train 4 truly showcases Relax Gaming’s talent and offers an extraordinary gaming experience for fans of the original slots.
Money Train 4 Verdict
With its captivating visuals, immersive soundscape, and a myriad of special features, Money Train 4 offers an extraordinary gaming journey that transports players to a unique and thrilling universe. This final chapter in the Money Train series undoubtedly serves as a grand finale, promising a fantastic visual and gameplay experience. Whether you’re a fan of the series or a newcomer, Money Train 4 is sure to rank high on your list of favorite slots.
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