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

Pragmatic Play · 2022 · tested 2026-09-23

Starlight Christmas

Two ordinary rounds in this Starlight Christmas review turned USD 5 and USD 4 of symbol pays into 640 and 500 bets through 255x and 249x in multiplier hearts, and the demo closed at 107.56% RTP.

Test card

10,000 spins · USD 2.00 bet · every request logged
Spins10,000
BetUSD 2.00
RTP declared96.50%
RTP measured107.56% (approximate 95% CI 82.2–132.9)
Hit frequency29% · every 3.46
Dead streak max / avg24 / 3.4
Median hit0.80x
Max win (base game)640.0x · spin 8325
Free spins, natural34 · 3.4 bHz · every 294.1 spins · mean FS-only payout 88.7x stake
Balance start → end100,000 → 101,513
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 ↓107.56%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 Starlight Christmas demo

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

Bonus buy lab

50 buys × 100x · USD 200 each
Results, x price (amber = below price)
  1. buy 010.11x
  2. buy 020.12x
  3. buy 032.60x
  4. buy 041.29x
  5. buy 051.98x
  6. buy 060.06x
  7. buy 073.47x
  8. buy 081.38x
  9. buy 091.99x
  10. buy 100.40x
  11. buy 110.69x
  12. buy 120.34x
  13. buy 130.89x
  14. buy 141.23x
  15. buy 150.33x
  16. buy 160.35x
  17. buy 170.59x
  18. buy 180.06x
  19. buy 190.04x
  20. buy 200.40x
  21. buy 210.13x
  22. buy 221.50x
  23. buy 231.45x
  24. buy 240.58x
  25. buy 250.27x
  26. buy 260.29x
  27. buy 270.32x
  28. buy 281.67x
  29. buy 291.68x
  30. buy 300.92x
  31. buy 310.42x
  32. buy 320.33x
  33. buy 331.13x
  34. buy 340.06x
  35. buy 350.85x
  36. buy 361.09x
  37. buy 370.09x
  38. buy 381.57x
  39. buy 390.21x
  40. buy 400.92x
  41. buy 411.09x
  42. buy 424.21x
  43. buy 430.08x
  44. buy 441.97x
  45. buy 450.71x
  46. buy 460.11x
  47. buy 470.12x
  48. buy 480.42x
  49. buy 490.23x
  50. buy 500.27x

mean 0.86x · median 0.5025× price (USD 100.50) · 33 of 50 below price · best 4.21x · worst 0.04x

Free spins anatomy
Spins per bonus (avg / min–max)15.6 / 15–20
Retriggered12%
Multiplier total (avg / max)58 / 177
Bonuses that paid nothing0%

Extra spins are counted as features that ran past their 15-spin opening: three or more Scatters inside the round add five spins. Six of 50 purchases and two of 34 natural features did so in this run.

Purchased free spins at USD 200: 15 spins, the total multiplier climbing from 3x to 18x, USD 124.50 returned · Recorded in a separate browser session, outside the statistical samples.
Buy ledger
Spent
USD 10,00050 × USD 200
Returned
USD 8,605.7086.06% · approximate 95% CI 62–111%
Net
−USD 1,394.30−7.0 buys
Break-even or better
17 / 5034%
Paid 2× price or more
3 / 506%
Price in base spins
100natural trigger every ~294 spins

One ticket equals 100 ordinary stakes. Natural bonuses occurred once per 294 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
916xmax drawdown, in bets (by spin 8156)
-688xlowest point vs start
24longest dead streak, spins
Bankroll survival in this run
50 betsbust at spin 188
100 betsbust at spin 247
200 betsbust at spin 442

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

Starlight Christmas is the winter dress of Starlight Princess: six reels, five rows, and symbols that pay by count rather than by line. Any symbol pays once at least eight copies are on the screen, wherever they sit, in three bands at 8–9, 10–11 and 12–30; at USD 2 the sun badge pays USD 20, 50 and 100 across those bands, while the yellow gem pays USD 0.50, 1.50 and 4.00. After every paid combination the symbols vanish and new ones tumble in, with no limit on the number of tumbles in a round.

Multipliers come as winged hearts. Each one arrives carrying a random value between 2x and 500x; once the sequence of tumbles ends, every heart still on the screen contributes its value to one sum, and that sum multiplies the whole sequence. In ordinary play the hearts therefore multiply whatever the tumbles have gathered, however small: rounds 8325 and 2275 of this first run held USD 5.00 and USD 4.00 of symbol pays under hearts worth 255x and 249x, and paid USD 1,280 and USD 1,000.

Scatter kittens, four or more of them anywhere, start 15 free spins. Inside the feature the meter is cumulative: every heart landing on a spin that wins adds its value to a total multiplier that then applies to every later winning spin, and three or more Scatters add five spins. The feature can be bought for 100x the stake, USD 200 at USD 2, and the Ante toggle raises the stake to USD 2.50 for doubled Scatter frequency while switching the purchase off.

All three routes carry 96.50% in the rules, the volatility badge says medium, and the cap is 5,000x the stake. The demo's stake range is USD 0.20 to USD 300.

Mechanics7 from the rules screens
  • Cascading reels
  • Multiplier
  • Free spins
  • Retrigger
  • Scatter symbol
  • Bonus buy
  • Extra bet
Paytable
x total bet · bar = top payout on a log scale
symbol 8-910-1112+
Sun badge 10x 25x 50x
Crowned heart 2.5x 10x 25x
Moon badge 2x 5x 15x
Star badge 1.5x 2x 12x
Red heart gem 1x 1.5x 10x
Blue gem 0.8x 1.2x 8x
Green gem 0.5x 1x 5x
Teal gem 0.4x 0.9x 4x
Yellow gem 0.25x 0.75x 2x

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

Verdict

Pennies under the hearts

Over the whole series the demo returned 107.56% of stake against 96.50%, an approximate 95% band of 82.2–132.9%, and finished 756 bets up. Unlike most runs above 100%, this one does not hang on the feature: strip out the best natural round, 3310 at 708.85 bets, and the other 9,999 rounds still return 100.48%. Thirty-four natural features arrived one per 294 rounds, 3.4 bHz, and paid 28.0% of the total; the longest wait was 1,152 rounds after round 4125.

Fifty tickets at USD 200 went the other way and returned 0.861x their price, 33 below price, median 0.5025x or USD 100.50, best ticket 4.2135x. What separated them was the meter. The 26 tickets whose total multiplier passed 50x returned 1.267x on average, the 24 that stayed at 50x or less returned 0.420x, and the same split holds in natural features, 157.7 bets against 40.4.

What this log shows best is what the hearts do to small money in ordinary play. Round 8325 paid USD 5.00 in symbols, then the hearts on the screen summed to 255x and the round closed at USD 1,280, 640 bets; round 2275 did it again with USD 4.00 and 249x for USD 1,000. Seven ordinary rounds passed 100 bets and every one of them ended with a heart award between 6x and 255x on a sequence worth USD 4 to USD 31 in symbols. In this game the reels find the pennies and the hearts decide whether they matter.

Measured upsides
  • 107.56% measured, and with the best feature stripped out the rest still returned 100.48%
  • Hearts in ordinary play turned USD 5.00 of symbol pays into USD 1,280 in round 8325, 640 bets
  • Natural features one per 294 rounds, 3.4 bHz, nine of the 34 above 100 bets
  • Hit rate 28.88% with seven empty stretches of 20 rounds or more, the longest 24
Measured downsides
  • Purchases lost ground: 0.861x across 50 tickets, 33 below price, none past 5x
  • Tickets whose meter stayed at 50x or under returned 0.420x, and that was 24 of the 50
  • Six natural features paid under 10 bets, the smallest 0.8 in round 8275
  • The balance bottomed 687.5 bets under the start before the late run of features

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 107.56% 95% band 82.2–132.9% · declared 96.50%
  • 10,000rounds logged
  • 29%rounds that paid
  • 709xbiggest round
  • 1 / 294natural bonus rate
  • 0.86xmean of 50 buys
  • 24longest dry streak
return of this run with its 95% banddeclared 96.50%
Run 1 · 2026-09-2310,000 rounds
107.56%95% band 82.2–132.9%
75%95%115%135%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
107.56% 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 0.86x · median 0.50x · 33/50 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 return107.56%+11.1 pts vs declared
95% band82.2–132.9%
natural bonuses34 · 1 / 294
bonus buys, mean0.86x
95% band
82.2–132.9%
rounds that paid
29%
biggest round
709x · round 3,310
longest dry streak
24
natural bonuses
34 · one per 294 rounds
bonus buys
mean 0.86x · median 0.50x · 66% below price
balance start → end
100,000 → 101,513
deepest drawdown
916x
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 200.0 each (100.0x) 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

5 questions · answered from the log
Starlight Christmas RTP: why 107.56% against a printed 96.50%?
Lab answer

Because two ordinary rounds paid 640 and 500 bets from heart multipliers of 255x and 249x, and the feature added a 708.85-bet round on top. The approximate 95% band is 82.2–132.9%; removing the best natural round still leaves 100.48%, so the surplus sits in the base game rather than in free spins.

Multiplier hearts in the base game: what do they multiply?
Lab answer

A heart takes a value from 2x to 500x when it lands, and once the tumbles stop the values of every heart on the screen are summed and applied once to the whole sequence. In round 8325 the sequence was worth USD 5.00 in symbols; the hearts summed to 255x and the round paid USD 1,280.

Bonus buy at 100x: what did fifty tickets return?
Lab answer

0.861x their price in total, USD 8,605.70 from USD 10,000; 33 tickets lost money and the median came back with USD 100.50. The meter decided it: the 26 tickets whose total multiplier passed 50x returned 1.267x, the other 24 returned 0.420x.

One feature per how many rounds without buying?
Lab answer

One per 294 rounds on average, 34 in 10,000, or 3.4 bHz; the longest gap was 1,152 rounds after round 4125. FS-only payouts averaged 88.7 bets with a median of 56.2, and two of the 34 features earned the five-spin retrigger.

Is the Ante bet worth switching on?
Lab answer

The Ante costs 25% more per spin, USD 2.50 instead of USD 2.00 at this stake, doubles the Scatter frequency by the rules and switches the purchase off; the printed RTP stays 96.50%. This run kept it off, so the 34 natural triggers and the one-per-294 rate are ordinary-stake figures.

Field notes

0 notes
Slotester Labmeasured run · every request logged measured
  • spins10,000
  • bet2.00
  • result+756x
  • RTP measured107.6%
  • bonuses34
  • max win640.0x

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