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80tests1,000,000spins open data closed rig 18+
Zombie Carnival — Slotester Lab test cover
10,000 SPINS 50 BUYS DEMO SERVER REVIEW PENDING

Pragmatic Play · 2022 · tested 2026-09-23

Zombie Carnival

Bear Wilds that climbed to x4 or higher turned 25 of the 56 free spins rounds in this Zombie Carnival review into 126-bet features on average, and the demo overall measured 95.90% RTP.

Test card

10,000 spins · USD 2.00 bet · every request logged
Spins10,000
BetUSD 2.00
RTP declared96.50%
RTP measured95.90% (approximate 95% CI 77.3–114.5)
Hit frequency26% · every 3.85
Dead streak max / avg24 / 3.86
Median hit0.80x
Max win (base game)180.0x · spin 6344
Free spins, natural56 · 5.6 bHz · every 178.6 spins · mean FS-only payout 74.2x stake
Balance start → end100,000 → 99,181
Balance in bets over the base series
Win distribution, x bet
test logs · 1 run · every request loggedtest record ↓
  1. 012026-09-2310,000 rounds · 50 buysfiles & checksums ↓95.90%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 Zombie Carnival demo

same math as real play · demo balance
Zombie Carnival demo game field
Free demo · no registration · plays on the provider's official server · 18+ Responsible gambling

Bonus buy lab

50 buys × 80x · USD 160 each
Results, x price (amber = below price)
  1. buy 010.10x
  2. buy 020.51x
  3. buy 031.32x
  4. buy 040.03x
  5. buy 050.45x
  6. buy 060.25x
  7. buy 070.06x
  8. buy 080.28x
  9. buy 091.09x
  10. buy 102.32x
  11. buy 110.72x
  12. buy 120.29x
  13. buy 130.52x
  14. buy 141.72x
  15. buy 150.00x
  16. buy 160.11x
  17. buy 170.23x
  18. buy 180.39x
  19. buy 195.98x
  20. buy 200.33x
  21. buy 210.28x
  22. buy 221.35x
  23. buy 230.15x
  24. buy 242.04x
  25. buy 250.52x
  26. buy 260.11x
  27. buy 270.50x
  28. buy 281.46x
  29. buy 290.22x
  30. buy 300.87x
  31. buy 310.58x
  32. buy 320.85x
  33. buy 330.13x
  34. buy 340.10x
  35. buy 351.76x
  36. buy 360.20x
  37. buy 370.62x
  38. buy 381.13x
  39. buy 390.13x
  40. buy 400.21x
  41. buy 411.48x
  42. buy 420.16x
  43. buy 430.30x
  44. buy 440.70x
  45. buy 450.40x
  46. buy 460.60x
  47. buy 470.47x
  48. buy 480.08x
  49. buy 490.33x
  50. buy 500.25x

mean 0.69x · median 0.3975× price (USD 63.60) · 39 of 50 below price · best 5.98x · worst 0.00x

Free spins anatomy
Spins per bonus (avg / min–max)8.8 / 6–14
Retriggered94%
Bonuses that paid nothing0%

Every Scatter that lands inside the feature adds one free spin, so extra spins are counted per Scatter: 193 across the 56 natural features, 49 of which ran past the six-spin opening, and 47 of the 50 purchases did the same.

Purchased free spins at USD 160: 8 spins, two bear Wilds, one of them lifted to x2, USD 65.40 returned · Recorded in a separate browser session, outside the statistical samples.
Buy ledger
Spent
USD 8,00050 × USD 160
Returned
USD 5,546.8069.34% · approximate 95% CI 43–95%
Net
−USD 2,453.20−15.3 buys
Break-even or better
11 / 5022%
Paid 2× price or more
3 / 506%
Price in base spins
80natural trigger every ~179 spins

One ticket equals 80 ordinary stakes. Natural bonuses occurred once per 179 paid 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 this run needed
1,232xmax drawdown, in bets (by spin 6162)
-1,069xlowest point vs start
24longest dead streak, spins
Bankroll survival in this run
50 betsbust at spin 509
100 betsbust at spin 783
200 betsbust at spin 972

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

7 rules screens from the game

Zombie Carnival runs six reels of four rows with 4,096 ways to win: three or more of a kind pay once they sit on neighbouring reels counted from the left, once for every way they form, and diagonal or gapped positions count for nothing. At USD 2 the zombie clown is the top symbol, USD 2.00 for three and USD 10.00 for a full six-reel way, ahead of the ringmaster at USD 6.00, the blue ogre at USD 4.00 and the helmeted zombie at USD 3.00; the four royals pay USD 0.40 to USD 1.40. A gift-box Mystery symbol turns into one random paying symbol at the end of the spin, in ordinary play and in the feature alike.

The brain Scatter appears only on reels two to five, and two of them anywhere start 6 free spins. The Scatters that opened the round become bear Wilds and stay on the reels for the whole feature; every Scatter that lands afterwards is consumed by the nearest Wild, which walks over to it and raises its multiplier by 1x, and if more Scatters land than there are Wilds, the spare Scatters become new Wilds. A Wild multiplies every way it completes, two Wilds in one way multiply each other, and each Scatter also adds one free spin.

Buying the feature costs 80x the stake, USD 160 at USD 2, and the opening spin of a bought round can hold two, three or four Scatters; all fifty purchases and all 56 natural features of this first run opened with exactly two Wilds. There is no Ante option.

Ordinary play and the purchase share one printed figure, 96.50%; volatility is marked high, and a 5,000x ceiling closes any feature that reaches it. The demo accepts bets between USD 0.20 and USD 240.

Mechanics7 from the rules screens
  • Wild symbol
  • Scatter symbol
  • Free spins
  • Retrigger
  • Multiplier
  • Sticky symbol
  • Bonus buy
Paytable
x total bet · bar = top payout on a log scale
symbol 3456+
Zombie clown 1x 2x 3x 5x
Zombie ringmaster 0.6x 1x 1.5x 3x
Blue ogre 0.5x 0.8x 1.2x 2x
Helmeted zombie 0.4x 0.6x 1x 1.5x
A 0.2x 0.3x 0.5x 0.7x
K 0.2x 0.3x 0.5x 0.7x
Q 0.2x 0.3x 0.5x 0.7x
J 0.2x 0.3x 0.5x 0.7x

Bet range USD 0.20 – 240 per spin · payouts read from the game's paytable at bet USD 2.00

Verdict

Two bears, one of them at x4

Across 10,000 ordinary spins the demo returned 95.90% of stake against the 96.50% in the rules, the approximate 95% band spans 77.3–114.5%, and the balance finished 410 bets down after touching 1,068.8 bets below the start. Fifty-six natural features arrived one per 179 spins, 5.6 bHz, and paid 43.3% of everything the series returned; strip out the best of them, round 7359 at 428.8 bets, and 9,999 rounds are left at 91.63%. Ordinary play itself is thin: no tumbles, 25.96% of spins paying, and only two rounds past 100 bets, both single spins of stacked clowns.

Buying was worse. Fifty tickets at USD 160 returned 0.693x their price, 39 of them below price, median 0.3975x or USD 63.60, best ticket 5.98x; 47 tickets earned at least one extra spin, but the 33 that finished at nine spins or fewer averaged 0.33x, while the 17 that reached ten averaged 1.40x.

The mechanism this log isolates is the Wild multiplier, nothing else. Every round starts with two bear Wilds at x1; in the seven natural features where neither Wild grew, the payout averaged 11.3 bets, and in the 25 where a Wild reached x4 or more it averaged 126.4 bets. Round 7359 is the whole mechanism in one place: five spins of small change, then six Scatters in a row that walked the Wilds up to x4 and x4, and spins eight, nine and ten paid USD 99.60, USD 256.00 and USD 481.20, 97.6% of the round, with the last of those three coming from x3 and x4 Wilds sharing a single way.

Measured upsides
  • One natural feature per 179 spins on average, 5.6 bHz, and 49 of the 56 extended by at least one Scatter
  • Wild multipliers stack fast: 25 features reached x4 or more and averaged 126.4 bets
  • Round 7359 paid 428.8 bets, with USD 481.20 on one spin from x3 and x4 Wilds in the same way
  • The 80x price is the lowest in the lab's Pragmatic set, USD 160 at the USD 2 stake
Measured downsides
  • The 80x tickets returned 0.693x their price across 50 tries, 39 of them losing
  • Seven natural features never lifted a Wild past x1 and averaged 11.3 bets
  • Ordinary play has no tumbles and paid only two rounds above 100 bets in 10,000
  • The balance sat 1,068.8 bets under the start at its lowest, on round 6162

Test record

10,000 rounds · 50 buys · open data · closed rig

One test run so far: a single session of the base game plus a separate series of bonus purchases on the official demo server, every request and response logged. When the game is tested again, the new run is added here and the figures on this page combine all runs into one sample.

result of this run2026-09-23
Measured return 95.90% 95% band 77.3–114.5% · declared 96.50%
  • 10,000rounds logged
  • 26%rounds that paid
  • 429xbiggest round
  • 1 / 179natural bonus rate
  • 0.69xmean of 50 buys
  • 24longest dry streak
return of this run with its 95% banddeclared 96.50%
Run 1 · 2026-09-2310,000 rounds
95.90%95% band 77.3–114.5%
70%80%90%100%110%120%declared 96.50%
dot = measured return · whisker = the range the long-run value is likely to sit in, given this many rounds
how the return settled, round by round10,000 rounds
95.90% after 10,000 roundsdeclared 96.50%
line = return measured up to that round · the line swings early and calms as rounds pile up
bonus purchases, run by run50 buys
Run 1 · 2026-09-23mean 0.69x · median 0.40x · 39/50 below price
bar = one purchase, what it returned as a multiple of its price · dashed line = the price · square-root scale
The run · tap to open
01run

Run 012026-09-23

10,000 rounds at USD 2.00 · 50 buys · rig 0.6.0 · RTP profile 96.50%

measured return95.90%-0.6 pts vs declared
95% band77.3–114.5%
natural bonuses56 · 1 / 179
bonus buys, mean0.69x
95% band
77.3–114.5%
rounds that paid
26%
biggest round
429x · round 7,359
longest dry streak
24
natural bonuses
56 · one per 179 rounds
bonus buys
mean 0.69x · median 0.40x · 78% below price
balance start → end
100,000 → 99,181
deepest drawdown
1,232x
Download this run · the square button copies the file’s SHA-256, so you can confirm the download is unchanged

10000 ordinary paid rounds, including naturally triggered features, at a fixed USD 2.0 bet; 50 bonus buys at 160.0 each (80.0x) on the official Pragmatic Play demo server (jurisdiction 99, RTP profile 96.5%); every request and response logged; test run 2026-09-23.

The test rig recorded every round on the official demo server. Screenshots and video were captured in a separate browser session and are not part of the statistical samples. This release has completed automated data, content and page checks; human editorial review is pending. How we test →

CLOSED RIG OPEN DATA

FAQ

6 questions · answered from the log
Zombie Carnival RTP: what did 10,000 demo spins return?
Lab answer

95.90% of stake against the 96.50% printed for ordinary play and the purchase, inside an approximate 95% band of 77.3–114.5%, with the balance 410 bets down at the end. Without the best natural feature, round 7359 at 428.8 bets, the remaining 9,999 rounds returned 91.63%.

Roaming Wilds and multipliers: how do they work?
Lab answer

The two Scatters that start the round become Wilds at x1, and each later Scatter is eaten by the nearest Wild, which gains 1x and adds one free spin. Two Wilds in the same way multiply each other: on spin ten of round 7359 a x3 and a x4 Wild shared a way and the spin paid USD 481.20, 240 bets.

At 80x, did the USD 160 tickets come back?
Lab answer

No: 50 tickets returned 0.693x their price, 39 finished below USD 160, and the median ticket paid USD 63.60. The 17 tickets that reached ten spins or more averaged 1.40x, the 33 that stopped at nine or fewer averaged 0.33x, and the best ticket, number 19, paid USD 956.80.

Natural trigger rate: how many spins between features?
Lab answer

Fifty-six features in 10,000 rounds, one per 179 on average, which is 5.6 bHz; the longest wait was 472 rounds between rounds 3571 and 4044. The median feature paid 35.6 bets and the mean 74.2, and 13 of the 56 passed 100 bets.

Some free spins rounds paid almost nothing: why?
Lab answer

Because no Scatter landed to grow the Wilds: seven of the 56 natural features ended with both Wilds still at x1, and those seven averaged 11.3 bets. The smallest feature of the run, round 8715, paid 3.0 bets across seven spins.

Biggest win outside the feature?
Lab answer

180 bets in round 6344, USD 360 on a single spin: thirteen clowns spread over all six reels formed 36 six-of-a-kind ways at USD 10.00 each. The only other ordinary round above 100 bets was 5524 at 108 bets, and ordinary play has no tumbles to build on a hit.

Field notes

0 notes
Slotester Labmeasured run · every request logged measured
  • spins10,000
  • bet2.00
  • result-410x
  • RTP measured95.9%
  • bonuses56
  • max win180.0x

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