Introduction: The Final Ride of a Legendary Slot Series
When Relax Gaming released Money Train 4 in September 2023, it wasn’t just another slot launch — it was the grand finale of one of the most successful slot franchises in modern iGaming.
Since the original Money Train in 2019, the series has built a cult following among players who love high volatility, steampunk aesthetics, and massive bonus potential. Each installment (Money Train 2, Money Train 3, and now Money Train 4) has pushed boundaries in both design and mechanics.
With the newest chapter, Relax Gaming has crafted a game that feels both familiar and fresh — a true ending to a series known for its wild ride and huge payout potential. In this comprehensive review, Jackpot Adviser dives into everything you need to know about Money Train 4: gameplay, features, symbols, RTP, volatility, and why it’s one of the best finales ever made for slot fans in Southeast Asia.
Game Overview
| Feature | Details |
| Provider | Relax Gaming |
| Release Date | September 2023 |
| Reels & Rows | 6 reels × 4 rows |
| Paylines | 40 fixed lines |
| RTP | 96.10 % (standard) / 94 % / 88 % variants |
| Volatility | Extremely High |
| Max Win | 150 000× bet |
| Bonus Feature | Money Cart Bonus Round + persistent symbols |
| Mobile Optimized | Yes (HTML5 fully responsive) |
Theme and Visuals
Post-Apocalyptic Steampunk World
Money Train 4 takes the series’ signature gritty steampunk style and amplifies it with a futuristic twist. The train is no longer riding through dusty deserts — it’s a cyber-industrial machine charging through a ruined metropolis. Players are welcomed by dark skies, metallic structures, and sparking engines that set a tense, adrenaline-filled tone.
Audio and Animation
The soundtrack combines mechanical beats with Western-inspired strings, creating a feeling of both chaos and control. Every spin comes with metallic clicks, echoing explosions, and cinematic voice overs that immerse you into the game’s grim world. It feels like a blockbuster movie compressed into a slot machine.
Gameplay Mechanics
Base Game
At its core, Money Train 4 uses a 6×4 layout with 40 paylines. Winning combinations form from left to right, and you’ll find a mix of character symbols, metal icons, and multiplier collectibles. But the real action lies in the Money Cart Bonus Round, where the franchise has always shined.
How to Trigger the Bonus
Land three bonus symbols anywhere on the reels to activate the Money Cart Feature. This round transforms the screen into a special arena with three respins and only symbol-based wins.
Symbol Types
| Symbol | Type | Description |
| Bronze/Silver/Gold Coins | Basic | Each shows a multiplier value (1×–10×) |
| Collector | Special | Adds all visible multipliers to its own value |
| Persistent Collector / Payer | Epic | Repeats collection each spin |
| Sniper | Special | Doubles the values of other symbols |
| Necromancer | Rare | Reactivates used bonus symbols |
| Re-Spawner | New | Revives up to 6 symbols simultaneously |
| Reaper | New | Steals multipliers and adds them to itself |
The Money Cart Bonus Round
Respins and Persistence
When the round starts, you begin with three spins. Each time you land a new symbol, the counter resets to three. The goal is to collect as many multiplier symbols as possible before the grid fills up. Persistent symbols activate their effect on every new spin, creating a chain reaction that can explode into massive wins.
Persistent Character Types
Money Train 4 introduces the most comprehensive set of persistent characters in the series:
- Persistent Collector-Payer: Adds and multiplies values in one turn.
- Persistent Necromancer: Brings back used bonus symbols multiple times.
- Persistent Shapeshifter: Changes its ability each round — from Sniper to Collector to Necromancer.
This makes the bonus round feel unpredictable and strategic, rewarding players who understand how different symbols interact.
RTP and Volatility
Return to Player (RTP)
The standard RTP is 96.10 %, though some casinos may offer 94 % or 88 % versions. Always check the game info before you play. The 96 % variant offers a good balance of fairness and potential, especially for seasoned players.
Volatility
Money Train 4 is classified as extremely high volatility. You won’t win frequently — but when you do, the payout can be enormous. It caters to players who prefer high-risk, high-reward sessions and have the discipline to manage their bankroll.
Visual and Technical Upgrades from Previous Games
Improved Graphics
Every character and environment has been redesigned in 4K quality with cinematic lighting and particle effects. The animation smoothness matches AAA video games.
Enhanced Optimization
Thanks to HTML5 technology, Money Train 4 runs seamlessly on Android, iOS, and desktop without performance drops — a huge plus for mobile-first players in Southeast Asia.
Tips for Playing Money Train 4
1. Budget Smartly
Since it’s a high-volatility slot, allocate a small portion of your bankroll per spin. Patience is key.
2. Use the Buy Feature Wisely
You can purchase instant access to the Money Cart Bonus Round for a premium cost (100× your bet). It’s tempting, but not always profitable long term — use strategically.
3. Play the Demo Version
Understand the symbol interactions and persistent mechanics before playing with real money. Relax Gaming offers free demos in many regions.
4. Target Casinos with High RTP Settings
Always choose the 96.1 % variant for better long-term returns.
Pros and Cons
| Pros | Cons |
| Massive 150 000× max win potential | Very high volatility (may not suit casual players) |
| Stunning graphics and animations | Complex bonus symbols can be confusing at first |
| Buy feature for instant bonus access | RTP varies by casino |
| Epic series finale with story continuity | Few base-game features outside bonus round |
Conclusion
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Money Train 4 is more than just another slot — it’s a tribute to how far the genre has come. Relax Gaming has delivered a finale that blends chaos, strategy, and cinematic presentation into one spectacular package. Its massive win potential, creative mechanics, and polished design make it a must-play for any slot enthusiast in Southeast Asia.
At Jackpot Adviser, we highly recommend Money Train 4 for players who enjoy high-risk slots with big rewards. Whether you’re a fan of the series or just discovering it for the first time, this final ride is one you won’t forget.
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