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Great Rhino Megaways — Slotester Lab test cover
20,000 SPINS 2 RUNS 100 BUYS DEMO SERVER

Pragmatic Play · 2020 · tested 2026-09-30

Great Rhino Megaways

Great Rhino Megaways kept its size for the free spins: across the first demo run no base spin passed 49x, while eight of 25 natural bonuses cleared 100x.

In numbers: measured RTP 102.6% against 96.47% declared over 20,000 logged rounds in 2 runs; 40.1% of rounds paid; a natural bonus landed once per 377 rounds (53 in total) and a bonus round paid a median 53.9x the stake, mean 94.5x, trigger spin included; 100 bonus buys at 100x returned 1.09x of their price on average, 64% of them below the price; the biggest round paid 540.0x; the longest dry run was 13 spins.

Test card

20,000 spins · USD 2.00 bet · every request logged
Spins20,000 · 2 runs
BetUSD 2.00
RTP declared96.47%
RTP measured102.55% (approximate 95% CI 91.7–113.4)
Hit frequency40% · every 2.5
Dead streak max / avg13 / 2.47
Median hit1.00x
Max win (no bonus round)51.7x · run 2, round 3605
Free spins, natural53 · 2.7 bHz · every 377.4 spins · mean bonus round payout 94.5x stake
Balance start → end100,000 → 101,020
Balance in bets, all runs in sequence
Win distribution, x bet, all runs
test logs · 2 runs · every request loggedtest record ↓
  1. 012026-09-0710,000 rounds · 50 buysfiles & checksums ↓106.85%RTP5 files · SHA-256 ↓
  2. 022026-09-3010,000 rounds · 50 buysfiles & checksums ↓98.26%RTP5 files · SHA-256 ↓

each run keeps its own spin log, CSV and raw server journal with checksums; the figures on this card combine all runs

Play Great Rhino Megaways demo

PRAGMATIC PLAY · official demo · same math as real play
Best offer for players from United States Great Rhino Megaways available at Cafe Casino
Play for real money
Great Rhino Megaways: Opening base screen at a USD 2.00 bet with the ante switch off and a USD 200 buy sign
Exclusive bonus at Cafe Casino · for players from the United States 300% up to $2,000 + 150 FS
Get bonus
Free demo · no registration · plays on the provider's official server · 18+ Responsible gambling

Bonus buy lab

100 buys × 100x · USD 200 each
Results, x price (amber = below price)
  1. buy 012.09x
  2. buy 020.31x
  3. buy 030.66x
  4. buy 040.08x
  5. buy 050.18x
  6. buy 060.49x
  7. buy 072.99x
  8. buy 081.61x
  9. buy 092.27x
  10. buy 101.21x
  11. buy 113.96x
  12. buy 120.11x
  13. buy 130.87x
  14. buy 141.73x
  15. buy 153.35x
  16. buy 160.81x
  17. buy 170.43x
  18. buy 180.50x
  19. buy 190.23x
  20. buy 200.26x
  21. buy 211.25x
  22. buy 220.43x
  23. buy 232.51x
  24. buy 240.22x
  25. buy 253.63x
  26. buy 260.28x
  27. buy 270.40x
  28. buy 280.12x
  29. buy 290.19x
  30. buy 300.38x
  31. buy 310.28x
  32. buy 320.56x
  33. buy 330.45x
  34. buy 343.21x
  35. buy 350.32x
  36. buy 361.11x
  37. buy 371.69x
  38. buy 385.63x
  39. buy 390.16x
  40. buy 402.51x
  41. buy 410.60x
  42. buy 420.03x
  43. buy 430.79x
  44. buy 440.39x
  45. buy 450.67x
  46. buy 460.26x
  47. buy 470.95x
  48. buy 480.34x
  49. buy 492.61x
  50. buy 500.30x
  51. buy 512.82x
  52. buy 520.79x
  53. buy 530.60x
  54. buy 542.54x
  55. buy 550.14x
  56. buy 561.02x
  57. buy 570.67x
  58. buy 580.10x
  59. buy 590.34x
  60. buy 600.88x
  61. buy 611.00x
  62. buy 620.80x
  63. buy 631.13x
  64. buy 640.26x
  65. buy 650.93x
  66. buy 661.13x
  67. buy 673.00x
  68. buy 680.33x
  69. buy 692.65x
  70. buy 701.24x
  71. buy 710.44x
  72. buy 720.12x
  73. buy 730.17x
  74. buy 740.47x
  75. buy 751.10x
  76. buy 760.57x
  77. buy 770.28x
  78. buy 781.45x
  79. buy 790.07x
  80. buy 803.36x
  81. buy 811.13x
  82. buy 820.18x
  83. buy 830.90x
  84. buy 840.10x
  85. buy 858.38x
  86. buy 861.32x
  87. buy 871.31x
  88. buy 880.66x
  89. buy 891.41x
  90. buy 901.79x
  91. buy 910.44x
  92. buy 920.31x
  93. buy 930.61x
  94. buy 940.35x
  95. buy 950.63x
  96. buy 960.14x
  97. buy 970.12x
  98. buy 980.39x
  99. buy 990.32x
  100. buy 1001.56x

mean 1.09x · median 0.621× price (USD 124.20) · 64 of 100 below price · best 8.38x · worst 0.03x

Free spins anatomy · 100 purchases
Spins per bonus (avg / min–max)15.1 / 15–20
Retriggered2.0%
Multiplier total (avg / max)6 / 22
Bonuses that paid nothing0%

Five extra spins follow whenever three scatters land inside the feature. Larger initial awards from the selected menu option do not count as extensions.

Shield menu after the buy, the 15-spin 1x option picked, then tumbles raising the multiplier until the round closes on 273.6 at a 2.00 bet · Recorded in a separate browser session, outside the statistical samples.
Buy ledger
Spent
USD 20,000100 × USD 200
Returned
USD 21,764.60108.82% · approximate 95% CI 84–134%
Net
+USD 1,764.60+8.8 buys
Break-even or better
36 / 10036%
Paid 2× price or more
17 / 10017%
Price in base spins
100natural trigger every ~377 spins

One ticket equals 100 ordinary stakes. Natural bonuses occurred once per 377 ordinary rounds in this sample. Stakes multiplied by this interval measure gross wagering, not the net cost of obtaining a bonus. Purchase returns above include the complete purchased round and are divided by the ticket price.

Risk profile

how much bankroll the 2 runs in sequence needed
598xmax drawdown, in bets (run 2, by spin 6273)
-398xlowest point vs start
13longest dead streak, spins
Bankroll survival across the runs in sequence
50 betsbust at spin 385
100 betsbust at spin 567
200 betsbust at spin 773

The runs are played back to back as one series, one bet size. A different session can bust earlier or never; treat this as a measured example, not a rule.

How it plays

7 rules screens from the game

Six reels, and a layout that differs from the usual Megaways: reels one and six hold up to seven symbols, reels two to five up to eight, because a separate top row above the middle four reels spins independently. That gives 200,704 ways at the maximum, and a way pays when one symbol repeats on consecutive reels starting at reel one; the cheetah sits at the top of the table with 50x for six, the card symbols at the bottom with 1x. Every win tumbles: the paid symbols vanish, the rest drop, new ones fill in, and the spin continues until nothing new connects. The rhino wild sits only on that top row.

The feature needs at least four rhino-coin scatters, and it begins with a menu rather than a spin: with four scatters the choices are 15 spins at a 1x starting multiplier, 10 spins at 5x, 5 spins at 10x, or a random combination; five and six scatters add spins to each option. During the feature every tumble adds 1x to the multiplier, and each tumble's win is paid at the current level; three scatters inside the round add five spins with no cap. The lab took the first option, 15 spins from 1x, for all 25 natural rounds and all 50 purchases, so every bonus number on this page describes that mode. Twenty-two natural rounds ran exactly 15 spins; round 3498 started with 19, and two rounds extended from 15 to 20.

The same menu appears after a 100x purchase. The ante bet at 25 units instead of 20 doubles the natural trigger rate and leaves the buy unavailable. The rules give a range for the return, 96.47% to 96.58%, and label the game low volatility; the win cap is 20,000x and stakes run from 0.20 to 300.

Mechanics9 from the rules screens
  • Megaways
  • Cascading reels
  • Wild symbol
  • Multiplier
  • Free spins
  • Retrigger
  • Scatter symbol
  • Bonus buy
  • Extra bet
Paytable
x total bet · bar = top payout on a log scale
symbol 23456+
Cheetah 1x 2x 10x 25x 50x
Gorilla — 1x 2x 2.5x 5x
Crocodile — 0.3x 0.5x 1x 2.5x
Hyena — 0.3x 0.5x 0.8x 2x
Flamingo — 0.2x 0.4x 0.6x 1.5x
A — 0.2x 0.4x 0.6x 1.5x
K — 0.2x 0.4x 0.6x 1.5x
Q — 0.1x 0.2x 0.4x 1x
J — 0.1x 0.2x 0.4x 1x
10 — 0.1x 0.2x 0.4x 1x

Bet range USD 0.20 – 300 per spin · payouts read from the game's paytable at bet USD 2.00

Verdict

Feature only, both runs

Great Rhino Megaways has now logged 106.85% and 98.26% in two sessions of 10,000 spins each, 102.55% pooled and 510 stakes ahead, and the approximate 95% CI, 91.71 to 113.39%, takes in the declared 96.47% floor. Both runs read the same on the surface: a paying spin on 40.19% and 39.96% of rounds, a 1.0x median, 13-spin blank stretches at the longest, and not one scatter-free round past 52x in 20,000, 49x in run one and 51.7x on round 3605 of run two.

What separates the runs is the feature's top end: run one drew 540x on round 8546 and 397x on round 6035, run two 400.3x on round 2311 and 301.9x on round 6274, the latter landing one spin after the run's low of 378.1 stakes down. Fifty-three natural rounds, one per 377 spins or 2.65 bHz, meaning 2.65 natural triggers in every thousand base spins, averaged 94.47x with the trigger spin included, 53.9x at the median, 24.4% of the pooled return; fifteen of them cleared 100x, six stayed under 20x with 6.0x on round 5913 of run two at the floor, 51 opened on 15 spins, two on 19, and three collected a retrigger. The multiplier inside the feature peaked at 16x twice in run two, on rounds 2823 and 6274, and the longest waits were 1,085 spins in run one and 1,398 in run two.

Purchases have returned USD 21,764.60 on 100 tickets at USD 200, 1.0882x of price or 108.82%: 1.1281x in run one and 1.0483x in run two, a USD 124.20 median, 64 losing tickets, 36 at or above the price, 17 beyond 2x and a pair beyond 5x, buy 38 of run one at 5.633x and buy 35 of run two at 8.381x, USD 1,676.20 from a multiplier that reached 18x. Ninety-eight of the hundred ran the basic 15 spins and two retriggered to 20, and one ticket of run two, buy 11, returned its exact USD 200 price.

Measured upsides
  • Both demo runs above the 96.47% floor, 102.55% pooled over 20,000 spins
  • The feature passed 100x fifteen times in 53 natural rounds, up to 540x on round 8546
  • Four rounds in ten paid in both runs, with no blank stretch beyond 13
  • One hundred purchases returned 1.0882x of price, 36 of them at or above USD 200
Measured downsides
  • No scatter-free round past 52x in 20,000 spins; the feature is the only route to size
  • Losing tickets numbered 64 of 100, and the median ticket paid USD 124.20
  • Natural features kept away for 1,085 and 1,398 spins at the longest, and 1,978 across the seam between the runs
  • Run two closed 174.5 stakes down after a 597.6-stake fall to spin 6273
Verdict by run · 2 runs · tap a run to read it
Run 01·2026-09-07·106.85% Base play is exactly what the low-volatility label promises and nothing more.

Base play is exactly what the low-volatility label promises and nothing more. Forty percent of spins paid, the median hit was one bet, the longest dead run was 13 spins (rounds 3876 to 3888), and in ten thousand spins no base round passed 49x. Thirty-three base rounds reached 20x. Everything above that came from the feature: all eight rounds over 100x were free-spin rounds, topped by 540x on round 8546 and 397x on round 6035, a twenty-spin round after a retrigger.

The balance told the story in two halves. A slow slide to 375 bets down at spin 2332, a partial recovery, then a new low of 398 bets down at spin 6034; from there four bonuses in 2,500 spins (397x, 258.6x, 300x, 540x) lifted the account to a peak of 828 bets up at round 8546, and it closed at 101,369.20, 685 bets ahead. The 50-, 100- and 200-bet bankrolls were all gone before spin 800, during the first slide.

Twenty-five natural rounds averaged 115.0x with a median of 61.8x. Only three finished under 20x, the smallest 7.5x on round 6665; round 3498 started with 19 spins and still paid 12x. Triggers came once per 400 spins on average, with the longest wait at 1,086 spins between rounds 4949 and 6035 and two pairs 37 spins apart.

Bought rounds behaved like the natural ones, which is the point of a buy in a game where the feature is the only source of size. Fifty purchases at 200 returned 11,281: 1.128x on average, 0.5305x at the median, 33 losers, 17 at or above their price, 11 above 2x, one at 5.63x (buy 38) and one at 0.031x (buy 42). Without the best round the average is still 1.04x. Forty-nine of the fifty ran 15 spins; one retriggered to 20.

Run 02·2026-09-30·98.26% One spin after the balance had bottomed out 378.1 stakes down, round 6274 paid 301.9x, and round 2311 paid 400.3x, USD 800.60, the run's best; five other features cleared 100x, 6840 at 144.7x, 8529 at 123.1x, 6562 at 122.2x from a 19-spin start, 1309 at 106.0x and 6950 at 104.1x.

One spin after the balance had bottomed out 378.1 stakes down, round 6274 paid 301.9x, and round 2311 paid 400.3x, USD 800.60, the run's best; five other features cleared 100x, 6840 at 144.7x, 8529 at 123.1x, 6562 at 122.2x from a 19-spin start, 1309 at 106.0x and 6950 at 104.1x. The 28 natural rounds came one per 357 spins, 2.8 bHz, and their full rounds returned USD 4,264.60, 21.7% of the run's total, 76.15x on average and 44.25x at the median; three paid under 20x, round 5913 at 6.0x the least, 26 opened on 15 spins, 6562 on 19, and 2823 was the only one to retrigger, to 20 spins, with the feature multiplier reaching 16x there and on 6274. Between triggers the longest waits were 1,398 spins after round 3603 and 1,023 after round 8807.

Nothing outside the feature passed 51.7x, on round 3605, while paying spins came on 39.96% of rounds and the median one paid 1.0x, 6,004 rounds returned nothing, and the blank stretches never passed 13 spins, the longest from round 187. The balance stood 219.5 stakes up on spin 2336 at its best, was last above the start on spin 9261 and closed at USD 99,651.00, 174.5 stakes short, 98.26% of USD 20,000; a 50-stake bankroll lasted 94 spins, a 100-stake one 177 and a 200-stake one 2,170, and the 2,000-round blocks went 92.1%, 106.9%, 89.4%, 113.8% and 89.1%.

At the buy counter, fifty tickets brought back USD 10,483.40 on USD 10,000, 1.0483x of price or 104.83%, the median ticket USD 133.10: 31 paid under the price, 18 above it, buy 11 came back at exactly USD 200, six passed 2x and one passed 5x, buy 35 at USD 1,676.20, 8.381x, after its multiplier climbed to 18x over 34 tumbles. Buy 30 at 3.36x and buy 17 at 2.995x followed, buy 19 pushed the multiplier to 22x for 2.654x, buy 29 closed at USD 14.60, and only buy 7 added spins, to 20.

Test record

2 runs · 20,000 rounds · 100 buys · open data · closed rig

This game has been through 2 separate test runs on the official demo server, each a fresh session of 10,000 rounds at a fixed bet. Every figure on this page combines the runs into one sample, as if they were one long session; the record below keeps each run apart, with its own numbers and its own downloadable log.

combined result · all runs2026-09-07 → 2026-09-30
Measured return 102.55% 95% band 91.7–113.4% · declared 96.47%
  • 20,000rounds, all runs
  • 40%rounds that paid
  • 540xbiggest round
  • 1 / 377natural bonus rate
  • 1.09xmean of 100 buys
  • 13longest dry streak
return by run, and combineddeclared 96.47%
Run 1 · 2026-09-0710,000 rounds
106.85%95% band 89.3–124.4%
Run 2 · 2026-09-3010,000 rounds
98.26%95% band 85.6–110.9%
All runs20,000 rounds combined
102.55%95% band 91.7–113.4%
80%90%100%110%120%130%declared 96.47%
dot = return of the run · whisker = approximate 95% band for that sample's mean · more rounds usually narrow a band, one very large round can widen it
how the return settled, round by round20,000 rounds
102.55% after 20,000 roundsdeclared 96.47%run 2 starts at round 10,001
line = return measured up to that round, all runs in sequence · dashed vertical = a new run starts · the line swings early and calms as rounds pile up
bonus purchases, run by run100 buys
Run 1 · 2026-09-07mean 1.13x · median 0.53x · 33/50 below price
Run 2 · 2026-09-30mean 1.05x · median 0.67x · 31/50 below price
bar = one purchase, what it returned as a multiple of its price · dashed line = the price · square-root scale
Each run on its own · tap a run to open it
01run Run 012026-09-07 10,000 rounds at USD 2.00 · 50 buys · rig 0.8.7 · RTP profile 96.47% measured return106.85%+10.4 pts vs declared 95% band89.3–124.4% natural bonuses25 · 1 / 400 bonus buys, mean1.13x
95% band
89.3–124.4%
rounds that paid
40%
biggest round
540x · round 8,546
longest dry streak
13
natural bonuses
25 · one per 400 rounds
bonus buys
mean 1.13x · median 0.531x · 66% below price
balance start → end
100,000 → 101,369
deepest drawdown
581x
Download this run · the square button copies the file’s SHA-256, so you can confirm the download is unchanged
02run Run 022026-09-30 lab note 10,000 rounds at USD 2.00 · 50 buys · rig 0.8.7 · RTP profile 96.47% measured return98.26%+1.8 pts vs declared 95% band85.6–110.9% natural bonuses28 · 1 / 357 bonus buys, mean1.05x
95% band
85.6–110.9%
rounds that paid
40%
biggest round
400x · round 2,311
longest dry streak
13
natural bonuses
28 · one per 357 rounds
bonus buys
mean 1.05x · median 0.666x · 62% below price
balance start → end
100,000 → 99,651
deepest drawdown
598x
lab note · 2026-09-30

September 30's second run logged 98.26% against 106.85% on 7 September, 102.55% pooled over 20,000 rounds. Natural features came 28 times against 25 and paid 76.15x on average against 114.99x, no scatter-free round passed 51.7x, and the fifty tickets returned 1.0483x of price after 1.1281x, buy 35 at 8.381x the best of either batch.

Download this run · the square button copies the file’s SHA-256, so you can confirm the download is unchanged

2 test runs combined into one sample (2026-09-07, 2026-09-30): 20000 ordinary paid rounds, including naturally triggered features, at a fixed USD 2.0 bet; 100 bonus buys at 200.0 each (100.0x) on the official Pragmatic Play demo server (jurisdiction 99, RTP profile 96.47%); every request and response logged.

The test rig plays the official demo build over the network and records every server round: bet, win, intermediate steps (cascades, respins), free spins, collect. Screenshots and video were captured in a separate browser session and are not part of the statistical samples. The text was read against the log by an editor before publication. How we test →

CLOSED RIG OPEN DATA

FAQ

7 questions · answered from the log
Which free-spins option did the lab pick, and does it matter?
Lab answer

Always the first one: 15 spins starting at 1x for a four-scatter trigger, in every one of the 53 natural rounds and 100 purchases of the two runs. The other options trade spins for a higher starting multiplier, 10 spins at 5x or 5 spins at 10x, and the fourth draws both at random; the choice goes to the server through the same request the game client uses, so the other three modes are simply not in this data.

What keeps the base game so flat?
Lab answer

Because the multiplier only exists inside the feature. In the base game a tumble sequence pays each step at 1x, the wild appears only on the top row of the middle reels, and the top symbol pays 50x for six. The best base rounds were 49x on round 2622 of run one and 51.7x on round 3605 of run two, and no scatter-free round in 20,000 spins passed those marks.

How did round 8546 reach 540x?
Lab answer

It was a natural 15-spin round in the first run that produced 13 tumbles. Each tumble adds 1x to the feature multiplier and the multiplier never resets, so wins late in the round were multiplied by 7x to 13x. The log holds the payout, 1,080.00 on a 2.00 stake for the whole round, 1,033.60 of it from the free spins, not the exact reel pictures; run two's best, round 2311, paid 800.60, 792.40 of it from the free spins.

Is 102.55% over two runs a sign of anything?
Lab answer

No, only that twenty thousand spins is still a short sample for a game whose return sits in the feature: the first run came in at 106.85% and the second at 98.26%, and the pooled figure sits 6 points over the declared 96.47% to 96.58% range on the strength of 15 features past 100x. Four bonuses worth 397x to 540x landed in the second half of run one; run two had nothing above 400.3x.

Buy or wait?
Lab answer

The natural whole-round median was 53.9x the regular bet and the mean 94.47x over 53 rounds. Complete purchased rounds had a median of 0.621x their USD 200 price and a mean of 1.0882x over 100 tickets. Ordinary play staked USD 40,000 across 53 triggers, or USD 755 of turnover per observed trigger before payouts. These ledgers do not establish that either entry route was cheaper.

Ante bet on this game: what changes?
Lab answer

It prices a spin at 25 units instead of 20 and loads extra scatters onto the reels so the feature arrives about twice as often; the buy button stays unavailable while it is on. The lab measured regular play only, where the feature arrived once per 400 spins in run one and once per 357 in run two.

How does the top row work?
Lab answer

Reels two to five carry an extra row above the main grid that spins independently on a separate track, which is why those reels can show up to eight symbols and why the ways count reaches 200,704. The rhino wild lives only on that row and substitutes for everything except the scatter.

Field notes

0 notes
Slotester Labmeasured run · every request logged measured
  • spins20,000
  • bet2.00
  • result+510x
  • RTP measured102.6%
  • bonuses53
  • max win, no bonus51.7x

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