What the tests say when you put them together
Every review on this site is one measured run. The articles here read across all of them: 198 tests, 3,370,000 logged rounds, 12,050 bonus purchases, one method. Where an article quotes the test set, its figures are not written once; they are recalculated from the current tests every time the page is opened.
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What Does a Bonus Buy Return? Bought Bonuses by Provider, Measured Ticket by Ticket
Where a slot sells its bonus, the lab buys it, a long series at the listed price in one session, and logs what every ticket returned. Grouped by provider, those tickets answer the question behind every bonus-buy debate: how much of the price comes back on average, how often a single ticket loses, and whether a cheaper ticket is a better one. This report sets the providers side by side and explains why a bonus that returns more than it costs on average still loses most of the time.
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How Often Do Slots Trigger the Bonus? Natural Trigger Rates by Provider, Measured
Every slot test in the lab counts the bonus rounds that started on their own, with the buy button left alone, over a long series of logged rounds on the official demo server. Grouped by provider, those counts answer a question players ask in every forum thread: how long do you wait for the feature, and does a provider that makes you wait pay more when it finally arrives? This report puts the trigger interval, the bonus pay and the longest dry waits side by side for every provider in the catalogue.
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Are Online Slots Rigged? The Same Slot Tested Twice, Run Against Run
The lab runs some slots more than once: same game, same demo server, same stake, a fresh session weeks later. If a game were tuned to pay less after a generous session, or to drift away from its declared RTP, the second run is where it would show. This article compares every re-tested slot run against run, checks whether the gaps are bigger than chance allows, and looks at what happens in the hundred spins after a big win.
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Max Win Reality: How Close Tested Slots Get to Their Advertised Cap
Every slot now ships with a max win printed above the reels, and the numbers keep growing: 10,000x, 50,000x, 150,000x. This article puts those ceilings next to the largest round that actually happened in each logged test, asks how rare a max win is by the studios' own odds, and finds out whether a bigger cap gives you bigger wins in a session or just a bigger number on the splash screen.
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Slot Volatility, Measured: What the Label Tells You and What It Does Not
Every slot carries a volatility label, and every guide to high or low volatility slots repeats it. This article checks the label against the logs: how often each labelled group paid, how long its dry runs lasted, how far a bankroll fell, and how wide a single round's swing really was. The label turns out to describe one thing well and two things not at all.
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1000 Editions vs the Originals: Five Pragmatic Pairs, Measured
Pragmatic Play's 1000 editions promise bigger multipliers and higher ceilings on games people already know. The lab has logged both versions of five of them, from Gates of Olympus to Wisdom of Athena. This article puts each pair side by side, from the rules screens to the largest round, and answers what the 1000 actually changes, what it leaves alone, and whether it pays more.
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Which Big Bass Slot Is Best? Every Tested Edition in One Table
Pragmatic Play and Reel Kingdom have spread one fisherman across more than twenty titles, and most lists of the best Big Bass slots are written from the rules screens and the artwork. This one is written from the logs: every edition the rig has tested, in one table that sorts by what each run returned, and a reading of what the sequels changed and what they only repainted.
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Inside One Test: Gates of Olympus, Five Runs, 50,000 Rounds
Every review here is built from logged runs, but what does a run actually look like? This article follows one game, Gates of Olympus, from the first request to the demo server to the published page: what is recorded, what is checked, what is computed, and how its first five runs ended up as one number before a sixth was added on 6 October 2026.
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How Often Do Free Spins Trigger? Natural Bonus Frequency, Measured
No game publishes how often its free spins land. This report counts: every natural trigger in the logged rounds of every game, across the whole lab, with the intervals, the longest waits, and the reason an average hides the part that decides a session.
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Is Buying the Bonus Worth It? Bonus Purchases Measured Across the Lab
Bonus buy buttons promise the feature without the wait, usually at a price of a hundred bets. This report reads the purchase series of every tested slot that offers one: what the average ticket returned, what the typical ticket returned, and how many tickets lost money.
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Declared vs Measured RTP: What the Lab’s Tests Show
Every slot prints an RTP on its help screen. This report puts that figure next to what the logged rounds of every game actually returned, for every test in the lab, and explains why the two rarely match and what the gap can and cannot tell you.
How these articles are made
same rules as the reviews
A research article takes one question and answers it from the whole test set rather than from a single game. Its tables and charts are recalculated whenever a test is published, so a new test is counted the day it goes live; every such block is marked live data and states how many tests it covers and the date of the data. The prose is written once and describes the shape of the evidence: which way the numbers lean and why. If later tests change that shape, the text is revised and the article shows the revision date next to the publication date. The procedure behind every test is on the how we test page.
- 01One question per article. Each article answers one thing a player asks, across every test that can speak to it.
- 02Numbers from the tests, never typed. Every figure is computed from the current test set and carries its date.
- 03Sample size stated. Each block says how many tests it rests on, and the text says what that sample can and cannot show.
- 04Verifiable by anyone. Each review links the spin log its figures come from, with a SHA-256 checksum.