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Money Train 4 — Slotester Lab test cover
10,000 SPINS 50 BUYS DEMO SERVER AI-TESTED · HUMAN-CHECKED

Relax Gaming · tested 2026-09-08

Money Train 4

Money Train 4 slot review from 10,000 demo rounds on Relax Gaming's server: 92.67% of stake returned, the Money Cart bonus 28 times with a 668x best, a respin feature that carried half of all payouts, and fifty 100x purchases back at 0.89x.

Lab verdict

Two engines under one 6x6 grid. The respin feature fired every 26 spins and produced 49% of the money, topping out at 350x; the Money Cart bonus came every 357 spins and paid a median 63x. The 100x purchase lost money in 39 of 50 tries. Plain spins between the two features returned almost nothing.

Base gameweak
Bonus valueaverage
Variancehigh

measured over 10,000 spins · 50 buys

Is Money Train 4 worth playing?

quick answer

Across 10,000 rounds at 2.00 on Relax Gaming's demo server the game returned 92.67% against the 96.1% in its rules, with a 95% interval of 71.5 to 113.9%. One spin in five paid, at a median of 1.0x, and the base game without either feature covered only a fifth of the payout. The Money Cart bonus triggered 28 times, its median round worth 63x; the respin feature fired 387 times and delivered 49% of everything paid. Fifty purchases at 100x averaged 0.89x with a median of 0.41x.

Test card

10,000 spins · FUN 2.00 bet · every request logged
Spins10,000
BetFUN 2.00
RTP declared96.10%
RTP measured92.67% (95% CI 71.5–113.9)
Hit frequency20% · every 5.04
Dead streak max / avg35 / 5.13
Median hit1.00x
Max win (base game)350.0x · spin 4206
Free spins, natural28 · every 357.1 spins · mean 105.6x
Balance start → end5,000 → 3,534
Balance in bets over the base series
Win distribution, x bet
Spin log (txt) CSV 10,000 rows · round, bet, win, x, balance

Play Money Train 4 demo

same math as real play · demo balance
Money Train 4: base game, start screen
Free demo · no registration · plays on the provider's official server · 18+ Responsible gambling

Bonus buy lab

50 buys × 100x · FUN 200 each
Results, x price (amber = below price)
  1. buy 010.37x
  2. buy 020.35x
  3. buy 030.25x
  4. buy 040.21x
  5. buy 050.29x
  6. buy 060.20x
  7. buy 070.24x
  8. buy 081.29x
  9. buy 090.77x
  10. buy 100.75x
  11. buy 110.40x
  12. buy 120.15x
  13. buy 130.20x
  14. buy 140.23x
  15. buy 150.59x
  16. buy 160.21x
  17. buy 171.93x
  18. buy 181.99x
  19. buy 190.61x
  20. buy 201.57x
  21. buy 212.68x
  22. buy 221.14x
  23. buy 230.30x
  24. buy 240.10x
  25. buy 251.08x
  26. buy 260.42x
  27. buy 270.53x
  28. buy 280.87x
  29. buy 290.23x
  30. buy 300.65x
  31. buy 310.60x
  32. buy 321.14x
  33. buy 330.26x
  34. buy 340.60x
  35. buy 350.76x
  36. buy 360.36x
  37. buy 370.75x
  38. buy 381.98x
  39. buy 391.14x
  40. buy 400.23x
  41. buy 410.22x
  42. buy 420.60x
  43. buy 430.24x
  44. buy 440.35x
  45. buy 450.93x
  46. buy 4612.80x
  47. buy 470.27x
  48. buy 480.09x
  49. buy 490.38x
  50. buy 500.26x

mean 0.89x · median 0.41x · 39 of 50 below price · best 12.80x · worst 0.09x

Free spins anatomy
Spins per bonus (avg / min–max)12.8 / 5–31
Retriggered98%
Bonuses that paid nothing0%
free spins, bonus buy, round 1001, result 112.0 (tab capture, with sound)
Buy ledger
Spent
FUN 10,00050 × FUN 200
Returned
FUN 8,91289% · CI95 39–139%
Net
−FUN 1,088−5.4 buys
Break-even or better
11 / 5022%
Paid 2× price or more
2 / 504%
Price in base spins
100natural trigger every ~357 spins

One buy costs 100 base spins; a natural bonus came once per 357 spins, so buying reached the feature about 4× faster. Natural bonus paid 105.6x of the bet, bought bonuses averaged 89x.

Risk profile

how much bankroll this run needed
1,239xmax drawdown, in bets (by spin 6020)
-1,158xlowest point vs start
35longest dead streak, spins
Bankroll survival in this run
50 betsbust at spin 63
100 betsbust at spin 163
200 betsbust at spin 309

One run, one bet size. A different session can bust earlier or never; treat this as a measured example, not a rule.

How it plays

22 rules screens from the game

Money Train 4 uses a six-by-six grid with scatter pays: the two top characters, the moustached gunslinger and the warrior, pay from eight matching symbols anywhere, everything else needs ten. The gunslinger tops the table at 1,000x the bet for a full 36-symbol grid and 1.2x for the minimum eight; the four gems at the bottom pay 0.8x to 1.0x for ten and 100x to 125x for a full grid. Bets on the demo run from 0.10 to 6.00, the help screen quotes 96.1% for regular play and a 150,000x cap on a single round.

The respin feature can start at the end of any paid or unpaid spin except a bonus trigger. The game picks the symbol with the most copies on screen, locks them in place and respins the rest; only that symbol, multiplier symbols and blanks can land, every new copy sticks, and the respins keep going while at least one new copy or a multiplier appears. When the open positions come up blank, or the grid is full, the win is counted and the accumulated multiplier applied. Multipliers themselves do not stick.

Three bonus symbols, gold persistent ones included, open the Money Cart. It starts as a six-by-four cart with four locked rows, three spins on the counter, and every new symbol that lands resets the counter to three. Each symbol reveals a value of 1x to 10x and may carry a job: collectors sum what they see, payers add their value to everything else, snipers double three to eight symbols, the arms dealer converts plain symbols into feature symbols, the necromancer revives used ones, the unlocker opens a row, the shapeshifter changes job every spin. Persistent versions repeat their job at the end of every spin; the round ends when the counter runs out.

The Buy Feature menu sells two entries: the Original Feature at 100x the bet, which is the same round a natural trigger would start, and the Persistent Feature at 500x, which guarantees one persistent symbol on the first screen. The rules quote 96.5% for purchased rounds; fifty of the 100x rounds went into this log, the 500x entry stayed unbought.

Mechanics6 from the rules screens
  • Scatter symbol
  • Respin
  • Multiplier
  • Bonus game
  • Sticky symbol
  • Bonus buy
Paytable
x total bet · bar = top payout on a log scale
symbol 810121520253036
Gunslinger 1.2x 2.0x 10x 20x 35x 50x 100x 1,000x
Warrior 1.0x 1.5x 5.0x 10x 20x 30x 50x 500x
Outlaw 1.2x 2.0x 8.0x 15x 25x 40x 400x
Cowgirl 1.0x 1.5x 6.0x 10x 20x 30x 250x
Red gem 0.5x 1.0x 3.0x 6.0x 10x 15x 125x
Gold gem 0.5x 1.0x 3.0x 6.0x 10x 15x 125x
Green gem 0.4x 0.8x 2.0x 4.0x 7.5x 10x 100x
Blue gem 0.4x 0.8x 2.0x 4.0x 7.5x 10x 100x

Bet range 0.10 – 6 per spin · payouts read from the game's paytable at bet 2.00

Verdict

who it suits, who should skip it

Between its two features Money Train 4 is a waiting room. Of the 10,000 rounds, 9,585 ran without either feature, and those returned 19% of all payout with a 17.4% hit rate and a 10x ceiling. The balance line reflects it: a brief high of 82 bets up on spin 2072, then a slide to 1,158 bets under the start on spin 6020, and a finish 733 bets down. The 50-bet, 100-bet and 200-bet test stakes were gone by spins 63, 163 and 309.

The respin feature is the quiet engine. It started 387 times, once every 26 spins, and its rounds returned 4,541 bets in total, 49% of the run's payout, more than the bonus itself. Most respins are small, the median 2.4x, but nineteen of them cleared 50x and the biggest, 350x on round 4206, ran sixteen respins with the gunslinger locking across the grid; 240x on round 6029 and 150x on round 7028 came the same way.

The Money Cart arrived 28 times, one trigger per 357 spins, with gaps from 16 spins to 1,047 spins, the longest between rounds 3779 and 4826. No bonus paid under 10x and seven paid over 100x. The 668x round on spin 1880 shows how the cart works: thirteen spins built 60x, then a persistent symbol took hold and the total climbed by 70 to 110 bets per spin for fourteen more spins to 1,336 in a 2.00 game. The 337x round on spin 6354 needed only six spins.

Buying the cart for 100x did not beat waiting. Fifty rounds at 200.00 returned 0.89x on average, the median was 0.41x, 39 of 50 lost money and three returned under a fifth of the price. Bought rounds ran 5 to 31 spins, 12.8 on average, and the 12.8x round, buy 46, made the average look better than the other 49, which returned 0.65x together.

Measured upsides
  • Respins fire every 26 spins and carry the base game: 19 rounds above 50x, three above 150x, without a bonus trigger.
  • Every one of the 28 natural cart rounds paid at least 10x, and a quarter paid over 100x.
  • The cart has a real top: 668x from a natural trigger, with the 150,000x cap far above it.
Measured downsides
  • A 92.67% result next to the 96.1% in the rules, with the base game covering a fifth of the payout on its own.
  • 80% of spins paid nothing, and 34 blank stretches ran 20 spins or longer.
  • The 100x purchase returned a median 0.41x; 39 of 50 lost money.
  • The 50, 100 and 200-bet test stakes were all empty before spin 310.
What the AI noticed during the run
  • The respin feature paid 4,541 bets over 387 rounds, 49% of the run's payout; the Money Cart paid 2,958 bets over 28 rounds, 32%.
  • Spin 1880's cart stood at 60x after 13 spins, then a persistent symbol added 70 to 110 bets per spin for the remaining 14, ending at 668x.
  • The best respin round, 350x on 4206, took 16 respins; five respin rounds cleared 125x, nineteen cleared 50x, the median respin paid 2.4x.
  • Natural carts came every 357 spins with a median 63x; the shortest gap was 16 spins, the longest 1,047 (rounds 3779 to 4826).
  • Plain spins without a feature were 9,585 of 10,000 and never paid more than 10x; the run had 34 blank stretches of 20 spins or more, the worst 35.
  • Fifty purchases at 100x: 39 lost money, the median returned 0.41x, and buy 46 at 12.8x was the only round above 3x.

Method & data

open data · closed rig

10000 base-game spins at a fixed FUN 2.0 bet; 50 bonus buys at 200.0 each (100.0x) on the official Relax Gaming demo server (jurisdiction MT, RTP profile 96.1%); every request and response logged; test run 2026-09-08.

The test rig plays the official demo build over the network and records every server round: bet, win, cascade steps, free spins, collect. Screenshots and video come from a real browser session. A human editor checks the numbers and the text before publication. How we test →

Test history
2026-09-0810,000 spins · RTP 92.7%

FAQ

6 questions · answered from the log
Where did the money come from in this run?
Lab answer

Half from respins. The 387 respin rounds returned 49% of the payout, the 28 Money Cart rounds 32%, and the 9,585 plain spins the remaining 19%. Without the two features the return would have been about 18% of stake.

Money Cart frequency: what did 10,000 spins show?
Lab answer

Once every 357 spins in this run, 28 times in 10,000. Gaps ran from 16 spins to 1,047 spins, the median result was 63x, the mean 105.6x, and no round paid under 10x.

Inside the 668x cart: how did the total grow?
Lab answer

Slow, then steep. The first 13 spins added up to 60x; then a persistent symbol landed and the total rose by 70 to 110 bets each spin, from 138 to 1,336 in a 2.00 game, over the last 14 spins of a 27-spin round.

Does the respin feature matter, or is it decoration?
Lab answer

It matters more than the bonus. It started every 26 spins, its median payout was 2.4x, and nineteen rounds cleared 50x, the best 350x on round 4206 after sixteen respins. Respin rounds paid 4,541 bets, more than all 28 cart rounds combined.

The 100x Original Feature: profit or loss over fifty buys?
Lab answer

A loss. The fifty averaged 0.89x with a median of 0.41x, 39 lost money and the best, buy 46, paid 12.8x. Purchased carts ran 5 to 31 spins, 12.8 on average. The 500x Persistent Feature was not tested.

A 200-bet bankroll: how far did it get?
Lab answer

To spin 309. The 50-bet stake lasted 63 spins, the 100-bet stake 163, and the balance bottomed out 1,158 bets below the start on spin 6020, before three of the four biggest cart rounds arrived.

Field notes

0 notes
Slotester Labmeasured run · every request logged measured
  • spins10,000
  • bet2.00
  • result-733x
  • RTP measured92.7%
  • bonuses28
  • max win350.0x

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