Big Time Gaming · 2022 · measured RTP 97.2% · tested 2026-11-06
Star Clusters Megapays
Star Clusters Megapays measured 97.2% RTP over 10,000 logged demo rounds, yet 77 of its 121 natural bonuses opened on the minimum five reactions with two free spins, and 74 never played more than two.
In numbers: the lab's RTP test on the official demo server measured 97.2% against 96.27% declared over 10,000 logged rounds; 27.1% of rounds paid; a natural bonus landed once per 83 rounds (121 in total) and a bonus round paid a median 18.1x the stake, mean 39.8x, trigger spin included; the biggest round paid 366.9x; the longest dry run was 22 spins.
Star Clusters Megapays demo
United States·available at Cafe Casino
Same reels, real payouts
Cafe Casino runs the same Star Clusters Megapays with the same math and adds a welcome bonus for players from the United States:
300% up to $2,000 + 150 FS 18+ · T&Cs apply · the demo stays free
Test card
10,000 spins · FUN 2.00 bet · every request logged
| Spins | 10,000 |
| Bet | FUN 2.00 |
| RTP declared | 96.27% |
| RTP measured | 97.22% (approximate 95% CI 81.5–113.0) |
| Hit frequency | 27% · every 3.7 |
| Dead streak max / avg | 22 / 3.72 |
| Median hit | 0.80x |
| Max win (no bonus round) | 67.9x · round 6898 |
| Free spins, natural | 121 · 12.1 bHz · every 82.6 spins · mean bonus round payout 39.8x stake |
| Balance start → end | 5,000 → 4,444 |
each run keeps its own spin log, CSV and raw server journal with checksums; the figures on this card combine all runs
Free spins on video
natural trigger · 121 in 10,000 spins
Five reactions at FUN 2.00 raise the Gold Wild multiplier to x4 and award 2 free spins; on the first, two x5 Gold Wilds make a FUN 50.00 gold cluster on the way to a FUN 55.60 BIG WIN, and TOTAL WINNINGS stops at FUN 61.60 after the second. Recorded in a separate browser session, outside the statistical samples.
Across the whole run the 121 natural bonuses split into 66 under 20x, 34 between 20x and 50x, 7 between 50x and 100x and 14 at 100x or more, and together they made up 50% of everything the game returned. The wait between two triggers ran from 1 to 432 spins. Payout figures here cover the whole bonus round in ordinary stakes, the trigger spin included: its scatter pays and line wins count towards the bonus.
Extra free spins come only from the Gold Wild meter: each time it reaches a multiple of 10, two spins are added. Spins earned by reactions beyond the fifth on the trigger spin belong to the starting award and are not counted here. In 15 of the 121 natural bonuses the meter reached x10, adding 30 spins in all; none climbed to x20, so no round was extended twice.
- triggers 121 1 per 83 spins
- every 83 spins gaps 1 to 432
- mean 39.8x bonus round median 18.1x stake
- best 366.9x round 1571
- spins per bonus 2.8 2 to 8 observed
- 01round 15713 spins366.9x
- 02round 82347 spins312.2x
- 03round 1023 spins202.1x
- 04round 754 spins183.1x
Risk profile
how much bankroll this run needed
| 50 bets | bust at spin 1562 |
| 100 bets | bust at spin 6640 |
| 200 bets | bust at spin 8034 |
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
8 rules screens from the game
Star Clusters Megapays starts every base spin on a 4x4 grid of large gems. A win needs five or more matching symbols of any size touching horizontally or vertically, and each winning symbol splits into four smaller ones; once those smaller symbols win, the ones above collapse, fresh ones fall from the top, and reactions continue until nothing pays. Free spins are played on an 8x8 grid, where the intro promises up to 256 symbols.
Seven gems pay by cluster size in steps from five to 25 or more. Twenty-five or more purple, red, blue or green gems pay 50x the stake, orange 20x, yellow and cyan 10x, while five yellow or cyan gems pay 0.1x. A regular Wild can complete a cluster for any symbol except the Gold Wild, which substitutes for everything, and at most two Gold Wilds can be on the board.
The Gold Wild multiplier above the grid gains one step whenever a Gold Wild takes part in a win, and in the base game it opens every spin at x1. Five or more reactions on one base spin award 2 free spins and one more for every reaction past the fifth, and the multiplier reached on that spin goes into the free spins with them. Whenever it reaches a multiple of 10, two further free spins are added; this demo sells no feature buy.
Any stake qualifies for Megapays, which picks one card symbol between the nine and the ace to collect on separate jackpot reels. Landing at least one copy earns another spin of those reels, and four or more copies pay a jackpot. The server reported the same four jackpots on all 10,000 logged spins, Mega FUN 300,023.53, Major FUN 20,032.12, Midi FUN 1,587.28 and Mini FUN 130.37, while Big Time Gaming sets this build at 96.27% RTP; the stake menu spans FUN 0.20 up to FUN 20, and the test held FUN 2.00.
Free spins
Retrigger
Wild symbol
Multiplier
Cluster pays
Cascading reels
Respin
Jackpot
On narrow screens, swipe or use arrow keys to view all payouts.
Bet range FUN 0.20 – 20 per spin · payouts read from the game's paytable at bet FUN 2.00
Gallery
10 frames from the demo session
Verdict
Most bonuses began with two spins
Exactly five reactions opened 77 of the 121 natural bonuses, which therefore began with two free spins; six reactions gave 30 bonuses three spins, and only five triggers reached the eight or nine reactions worth five or six. Three of those 77 later added spins through the multiplier, so 74 rounds played two spins and no more. Their whole-round median was 11.25x the stake, while the 47 rounds with three spins or more had a median of 38.95x.
What the trigger spin left on the Gold Wild meter travelled into the bonus as well. Most bonuses entered at x3 or x4, 38 and 32 of them, and the 55 that started at x4 or above had a median of 38.50x, against 10.68x for the 66 that began at x1 to x3. Fifteen rounds pushed the meter to x10 and collected two extra spins; they averaged 106.44x, and none went past x17, reached in rounds 3215 and 3926.
Of six Megapays starts in 10,000 rounds, two reached four matching symbols on the jackpot reels: jacks in round 712, aces in round 5752. Both won the Mini, FUN 130.37, and with their own cluster pays those spins finished at 66.685x and 65.385x, second and third among rounds without free spins after 67.9x in round 6898. The remaining four starts paid nothing, and the two Minis made up 1.34% of the series payouts.
Bonus rounds, trigger spin included, made 49.57% of what the 10,000 rounds paid, and 21.9% of that bonus money was already won on the trigger spins, whose median was 4.90x before a free spin turned. The starting spin count is fixed by that same chain of reactions, and 63.6% of the bonuses stopped it at five.
- Each reaction past the fifth on the trigger spin adds a free spin, and 44 of 121 bonuses started with three to six
- Fifteen bonuses reached x10 on the Gold Wild meter, earned two extra spins and averaged 106.44x the stake
- Rounds 1571 and 8234 paid 366.9x and 312.15x, two of 14 rounds above 100x
- A win landed on 27.06% of all rounds, one in every 3.7
- Inside one stretch of play the longest wait between two natural bonuses ran to 431 rounds
- Four of the six Megapays starts paid nothing from the jackpot reels
- Bonuses that entered at x1 to x3, 66 of the 121, had a median of 10.68x
- Base rounds that did not trigger free spins never pushed the Gold Wild meter beyond x5
Test record
10,000 rounds · 0 buys · open data · closed rig
One test run so far: a single session of the base game on the official demo server, every request and response logged; the game offers no bonus purchase, so every feature in the sample came from ordinary spins. When the game is tested again, the new run is added here and the figures on this page combine all runs into one sample.
- 10,000rounds logged
- 27%rounds that paid
- 367xbiggest round
- 1 / 83natural bonus rate
- 22longest dry streak
01run Run 012026-11-06 measured return97.22%+1.0 pts vs declared
- 95% band
- 81.5–113.0%
- rounds that paid
- 27%
- biggest round
- 367x · round 1,571
- longest dry streak
- 22
- natural bonuses
- 121 · one per 83 rounds
- balance start → end
- 5,000 → 4,444
- deepest drawdown
- 829x
10,000 ordinary rounds, including naturally triggered features, at a fixed FUN 2 bet; recorded on the Big Time Gaming demo served by the Relax Gaming platform (jurisdiction MT, RTP profile 96.27%); every request and response logged; test run 2026-11-06.
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 → One test, step by step →
FAQ
6 questions · answered from the log
Why do Star Clusters Megapays free spins sometimes start with only 2 spins?
The award depends on the reactions in the triggering base spin: five give 2 free spins, and every reaction beyond the fifth adds one. Across 121 natural triggers in 10,000 test rounds, 30 had six reactions for 3 spins and nine had seven for 4, while only two reached nine reactions and 6 spins.
With no bonus buy on offer, how long do Star Clusters Megapays free spins take to arrive?
At FUN 2.00, the 10,000 ordinary rounds held 121 natural triggers, one per 82.6 rounds on average. They arrived unevenly: rounds 7326 and 7327 both started free spins, one straight after the other, whereas round 1885 was followed by 431 rounds without a trigger.
Does the Gold Wild multiplier carry into the free spins?
Yes. The value the meter reached during the triggering spin is where the free spins begin, and it keeps rising from there. Across 121 natural bonuses the entry value averaged x3.44 and ranged from x1 to x7; reaching a multiple of 10 later added two spins, which happened in 15 rounds.
Can the FUN 300,023.53 Mega jackpot drop on a FUN 2.00 spin?
Yes, on any bet: the rules pay a jackpot once four or more Megapays symbols land, but the test never got past the Mini. Six Megapays starts in 10,000 rounds produced two Minis of FUN 130.37, in rounds 712 and 5752, and four empty finishes.
Star Clusters Megapays lists 96.27% RTP; how did its demo come out at 97.22%?
Sampling spread covers it: around the mean of these 10,000 rounds sits an approximate 95% CI of 81.47% to 112.97%, and 96.27% falls well inside. Leave out round 1571, the best of the series, and the other 9,999 rounds come to 93.56%.
Out of 10,000 rounds, which Star Clusters Megapays spin paid the most?
Top of the list is round 1571 with FUN 733.80, 366.9x the stake. It ran three free spins, and the second of them paid FUN 657.70, 94.8% of what the free spins won in that round; round 6898 topped the rounds that never reached free spins, at 67.9x.
Comments and reviews
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- spins10,000
- bet2.00
- result-278x
- RTP measured97.2%
- bonuses121
- max win, no bonus67.9x
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