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• Bullion Xpress™ launches on September 25, 2025. Try it now in free demo mode on Kynox Casino: a thrilling railway adventure, filled with mechanical tension and a shower of multipliers!
• Very high volatility, RTP varies between 84.3% and 96.29%, bets from €0.10 to €100, and a maximum win of €600,000! No progressive jackpot, but explosive potential on every spin.
• I tested the demo on Kynox Casino: the steampunk universe is immersive, and the train flies over the reels in a striking nighttime setting. The tension rises quickly… but the bonus mode can be hard to trigger, and wagons don’t always activate.
• Bonus Blitz completely changes the gameplay: an 8x2 grid, limited re-spins, and a moving train. Each wagon (Gold, Mystery, Re-Spin…) only pays out if a multiplier lands right beneath it. Frustrating and captivating at once.
• The M-Counter collects multipliers (x2 to x25) from regular symbols. After a losing spin, Fortune Frenzy may trigger! The train stops and reveals 4 wagons (Bronze, Silver, Gold, Mystery), with instant wins multiplied if the M-Counter is active.
• A video slot by Play’n GO featuring a 6x3 grid, 10 fixed paylines, and a unique mechanic where a flying train distributes multipliers. Three key features to watch: M-Counter, Fortune Frenzy, Bonus Blitz.
I tested Bullion Xpress™ in free demo mode on Kynox Casino, and it gave me one of the most intense experiences I’ve had on a slot machine. In this Play’n GO creation, you're not just spinning reels. You're waiting for a legendary train filled with riches. And when it stops, everything can change.
I launched the game out of curiosity, drawn in by its Victorian aesthetic. Within minutes, I was hooked. The Bullion Xpress train appears above the reels, floating in a dark industrial setting filled with steam and copper. From the very first spin, you can feel that something might happen at any moment. The tension builds with each round, ready to explode into something rare or spectacular.
The demo runs smoothly, no sign-up needed, and works perfectly on Kynox Casino’s mobile site.
The universe is rich, moody, and steampunk in every detail. But it never feels cold. It gives off a metallic warmth, like an old furnace that never dies. You find yourself in a city stuck in the 19th century, with hanging bridges, brick towers, roaring boilers, and smoking chimneys. Everything is covered in a golden haze, as if the air itself were infused with dust from long-lost treasure.
The symbols add to this world rather than decorate it: dynamite, bundles of cash, miners’ lanterns, rusted gears. All of this unfolds under a violet sky filled with stars and soot.
Every sound deepens the experience: mechanical clanks, squeaking metal, train whistles, and low, rumbling vibrations. The soundtrack almost feels alive, in rhythm with your pulse.
You might assume he’s just a mascot, but this banker-sheriff is everywhere. He’s a rail tycoon with a slick smile and a perfectly styled mustache. His black top hat with a gold ribbon, purple embroidered vest, and sheriff-starred jacket make him instantly recognizable.
He proudly holds two moneybags like trophies. His every movement feels precise, meant to channel the seductive power of industrial-age elites. He’s not a bystander. He is the style, the tone, the promise of gold.
He doesn’t just drop bonuses. He performs them. And you’ll need to play to see it for yourself.
This train is the heartbeat of the game. It doesn’t ride rails. It floats above the reels, as if detached from reality. You hear it coming before you see it. It glides through clouds of steam, shines with metallic reflections, and its wagons swing as if carrying molten gold.
The Bronze, Silver, Gold, Mystery, and Re-Spin wagons are anything but static. They vibrate, creak, glow, and sometimes open to reveal their contents in flashes of coins and light. The train is a character in its own right, and one of the most memorable I’ve encountered in a slot.
This is where the game really stands out. It blends several original mechanics that stack and interact smoothly.
M-Counter: a hidden multiplier system
Any symbol (except BONUS) can carry a multiplier from x2 to x25. These are stored in the M-Counter, which activates before wins are calculated. It’s subtle but extremely impactful.
I had a x15 stored when Fortune Frenzy triggered. The payout was massive and completely unexpected.
Fortune Frenzy: the train delivers
This feature activates after a non-winning spin. The train slows down, stops above the reels, and reveals four wagons, each with a potential reward:
Bronze: x1 to x4
Silver: x5 to x8
Gold: x9 to x12
Mystery: x4 to x10, revealed when it stops
If the M-Counter is active, all these values are multiplied.
Triggered by 3 or 4 BONUS symbols, this mode transforms the grid:
8 columns × 2 rows
The train moves left to right at the top
The bottom row moves right to left
If a multiplier lands beneath a wagon, it activates
Wagons can:
Award up to x18
Trigger a mystery bonus
Add up to 20 extra re-spins
Twice, I came very close to lining up a Gold wagon with a x5 multiplier. My heart raced. I missed it. But I had to try again.
✅ What stood out:
A visually and mechanically rich universe
A train that becomes a real gameplay element
Cleverly integrated features
Bonus Blitz, a feature that feels like its own game
❌ What could be better:
Bonus rounds may take time to trigger
Symbol placement under wagons is critical
RTP varies, so check your casino version
Because this game doesn’t spin in circles. It moves forward.
Bullion Xpress™ offers a rich world, real suspense, and game-changing potential with a max win of €600,000.
The free demo is available now on Kynox Casino. Try it, feel the tension, and see for yourself.
My advice? Get on board. The next wagon could be gold.
When will Bullion Xpress™ be released?
Bullion Xpress™ will be available from September 25, 2025, in all online casinos powered by Play’n GO. You’ll be able to play it either in free demo mode or with real money, depending on your preference.
What is the theme of Bullion Xpress™?
The game is set in a Victorian steampunk universe, where a mythical train floats above the reels. Its wagons are filled with multipliers. The setting is dark and industrial, wrapped in steam, with a style that blends Wild West, industrial revolution, and retro-futuristic fiction.
Who is the game’s main character?
The protagonist is a mustachioed banker-sheriff, wearing a black top hat, a purple waistcoat, and carrying bags of gold. He’s charismatic and animated, appearing during key moments such as bonus rounds and winning animations.
What is the layout of the Bullion Xpress™ slot?
6 reels × 3 rows
10 fixed paylines
Wins are awarded from left to right on adjacent reels
What are the available bet limits?
Minimum bet: €0.10
Maximum bet: €100
Multiple denominations are available, depending on the casino’s configuration
What is the RTP?
The Return to Player (RTP) is configurable and may vary between casinos:
96.29% (default)
94.29%
91.28%
87.30%
84.30%
Always check the RTP displayed in the version offered by your casino.
What kinds of multipliers can appear?
Any symbol (except BONUS) may land with a multiplier: x2, x4, x6, x15, or x25 These are collected in the M-Counter, which applies the combined value to your total win before resetting each round.
What is the Fortune Frenzy feature?
Fortune Frenzy is a mini bonus triggered after a losing spin. The train stops above the reels and reveals four wagons, each displaying a multiplier:
Bronze: x1 to x4
Silver: x5 to x8
Gold: x9 to x12
Mystery: x4, x6, x8, or x10 (revealed only when the train stops)
If multipliers have been collected in the M-Counter, they are applied to the total win from this feature.
How does the BONUS BLITZ mode work?
BONUS BLITZ is triggered by landing 3 or 4 BONUS symbols on reels 2, 3, 4, and 5.
The grid transforms to 8 columns × 2 rows
The train moves left to right on the top row
A band of symbols scrolls from right to left below the wagons
The goal is to land a multiplier directly under a wagon to activate it
Wagons may reward you with:
Direct cash prizes (up to x18)
Mystery values
Extra re-spins (up to a maximum of 20)
What multipliers appear in BONUS BLITZ?
In this special mode, the multipliers are x1, x2, x3, and x5. They activate the wagons only if they land directly below them.
What is the maximum win?
The theoretical maximum win is €600,000, or 6,000x your bet. Based on the game’s math model, the probability of reaching this win is less than 1 in 100 million.
Is the game mobile compatible?
Yes. Bullion Xpress™ is fully mobile-optimized, with responsive vertical display support. It runs smoothly on smartphones, tablets, and desktop, using a 16:9 format.
Is it a high volatility slot?
Yes. This game is rated as high volatility (7/10 on Play’n GO’s scale). This means payouts may be less frequent, but rewards can be substantial, especially during bonus rounds or multiplier phases.
Can I play it for free?
Yes, you can try Bullion Xpress™ in free demo mode on Kynox Casino, no registration or deposit required.
It’s a great way to explore the mechanics, watch the animated train in action, and experience the full gameplay before switching to real money.
Are there any similar games to Bullion Xpress™?
Yes. If you enjoy rail-themed or steampunk slots, check out Wild Rails™ (2019), also by Play’n GO. In that game, wagons roll across animated tracks at the top of the reels and the free spins feature offers a different kind of rhythm.
While Wild Rails™ has a brighter, more classic style, Bullion Xpress™ pushes deeper into storytelling and immersion with its flying train mechanic and dynamic multipliers.
