The Bullion Xpress slot chugs into the spotlight aboard a steam-powered Wild West train loaded with gold bars, gem-filled purses and treasure-laden rail-cars.

The reels are set against dusty canyons, wooden frontier buildings and a locomotive roaring past creating a cinematic backdrop that blends western adventure with slot-feature flair. The game uses its “express train of riches” motif to deliver tension, movement and reward potential with each spin.

Beginning your ride aboard the bullion-laden locomotive is easy, with a few options that shape your experience:

• Preferred Spin Options: You can spin manually to watch each gold-bar symbol, multi-belt train cart and multiplier badge land with full effect or choose autoplay to let the train keep rolling while you relax. 

• Bet Options: The stake range begins at 0.10 coins and goes up to 100.00 coins per spin.

• Turbo Mode: The “turbo-spin” button upon activation enhances the speed with which the reels spin thus guaranteeing a thrilling and pulsating gaming session. 

The Bullion Xpress slot uses a 6-reel x 3-row grid with 10 fixed paylines. The standard RTP is 96.29%, with multiple operator variants such as 94.29%, 91.28%, 87.30% and 84.30%. Volatility is medium-high to high. Max win stands at 6,000x your bet. 

• Low-value icons include stylised train tickets with diamond, club, spade, heart and star emblems. 

• High-value symbols feature emerald rings, gold pocket watches, gem-filled purses and stacks of gold bars. 

• Wilds appear as safes, Scatters as the locomotive.

• M-Counter: On the base game, many symbols (except Scatters) can land with multiplier badges (from x2 up to x25). These values accumulate in the M-Counter each spin and are applied to any win from that spin, then the counter resets on the next spin. 

• Fortune Frenzy: If a spin ends without a win, the Fortune Frenzy feature may trigger. The train stops above the reels, rewarding four rail-car prizes (bronze, silver, gold, mystery cars) each worth an instant amount. Any active M-Counter value multiplies this win. 

• Bonus Blitz: Triggered by landing 3 or 4 Bonus (Scatter) symbols on reels 2 to 5. You get 3 respins for 3 Scatters and 4 respins for 4. A special 8×2 grid appears, train wagons move, and multipliers landing beneath rail-cars convert and multiply the prize amounts. Additional respins may be won via special symbols on the rail-cars. 

There is no Feature Buy or Ante-Bet option in all jurisdictions for the Bullion Xpress slot.

I found the Bullion Xpress slot to be a visually strong slot with inventive mechanics that tie well to its train-and-treasure theme. The M-Counter and Fortune Frenzy features keep even non-winning spins charged with potential, while the Bonus Blitz round offers a fun respin-based twist for higher stakes.