Issue 01 Thursday, 9 July 2026 7 min read
The same slot can pay 96%. Or 84%.
Studios certify one game at several different return levels, and the operator chooses which to run. Same name, same art, same bonus round. Nothing in the lobby tells you which one you've opened.
The thing nobody mentions
Most big slot studios don't ship one version of a game. They ship several — identical in every visible way, same art, same soundtrack, same bonus round — but certified to return different amounts over the long run. The operator picks which build to license.
This isn't a rumour. Play'n GO's head of sales, Magnus Olsson, has described the
process publicly: every game gets certified at five levels — around 96, 94, 91, 87
and 84 percent — across sixteen jurisdictions, and what an operator then does with
that choice is, in his words, out of scope for us
.
Book of Dead is the clearest example, because all five tiers are documented:
| Build | RTP | Cost per $1,000 you stake |
|---|---|---|
| Default | 96.21% | $38 — this is the one people assume they're playing |
| Tier 2 | 94.25% | $58 |
| Tier 3 | 91.25% | $88 |
| Tier 4 | 87.25% | $128 |
| Tier 5 | 84.18% | $158 — more than four times the default |
Worth being precise about how common that bottom rung is: Olsson notes that regulatory floors mean most live deployments sit at 94% or 96%. The 84% build is certified and available, not universal. But it exists, it's legal, and no notice appears on screen when you open it.
It happens on smaller margins too
The five-tier ladder is the dramatic case. The routine one is a point or two, which is easier to shrug off and shouldn't be:
| Game | Default | Lowest found | What the gap costs |
|---|---|---|---|
| Gates of Olympus | 96.50% | 94.50% | $20 more per $1,000 staked |
| Sweet Bonanza | 96.48% | 95.45% | $10 more per $1,000 staked |
| Book of Dead | 96.21% | 84.18% | $120 more per $1,000 staked |
Two percentage points sounds like rounding. It isn't. Stake $1,000 over a few sessions — perfectly ordinary at $0.50 a spin — and the low build expects to keep an extra $20 of yours on top of what the high build was already keeping. Same game, same time spent, worse deal.
Where these numbers come from, and where they don't
One correction to a story you'll see repeated, including in places that should know better: the studios do not publish the alternative configurations. We checked Pragmatic Play's own game pages for both titles above — each lists exactly one RTP, the default, and no alternatives anywhere.
Every lower figure in this issue comes from industry outlets reading the numbers out of in-game paytables, operator by operator. Which means there is no authoritative list to consult. There is only the game in front of you.
Which makes the fifteen-second check below the only reliable method available to you. Not a shortcut — the actual primary source.
How to check, in about fifteen seconds
The number is disclosed. It's just buried where nobody goes:
- Open the game in real-money mode. This matters — see below.
- Don't spin. Hit the menu, usually three lines or a gear, bottom left or right.
- Open Info, Rules, or Paytable.
- Scroll to the very bottom. The RTP is in the last paragraph, in the smallest type on the page. That is the figure for the build you are about to play, on this site.
Why real-money mode: demo and logged-out play generally run the highest build regardless of what the operator has actually licensed. Check the free version and you may well be reading a number you'll never play against.
If it reads 94-point-something, the same title is sitting at 96 somewhere else, and there's no compensation elsewhere in the game for the difference — no better bonus round, no kinder volatility. It is simply the worse version. If it reads anything starting with an 8, close the tab.
If a site shows no RTP in the game info at all, treat that as an answer. Operators running the high builds tend to be happy to say so.
Bonus math: a $3,000 welcome offer, worked through
Big headline numbers on welcome bonuses are the most reliably misread thing in this industry. Take a common structure — 150% up to $3,000, 40× wagering — and actually run it.
The trap is the phrase "40×". Forty times what? Some sites mean the bonus. Others mean deposit plus bonus. Nobody puts it in the headline, and the difference is enormous. Here's a $100 deposit under the harsher of the two:
Worked example — 150% up to $3,000, 40× (deposit + bonus)
- You deposit
- $100.00
- Bonus credited (150%)
- $150.00
- Balance to play with
- $250.00
- Must be staked before withdrawal (40 × $250)
- $10,000.00
- Expected loss grinding that at 96.5% RTP
- −$350.00
- Value you were given
- +$150.00
- Expected position
- −$200.00
To unlock a $150 bonus you're expected to stake $10,000 and lose $350 doing it. The bonus doesn't make the offer good. It makes the offer $200 worse than not taking it.
Run the same numbers with 40× on the bonus alone and you get $6,000 to stake and about $210 expected loss — still negative, but far less brutal. That single word in the terms is worth roughly $140 of your money, and it is never in the headline.
And note the compounding problem: that $350 assumes the 96.5% build. Grind the same wagering on an 84% build and the expected cost is closer to $1,600. The two things in this issue multiply.
None of which means never take a bonus. It means read which base the wagering applies to, and treat the big number in the banner as marketing rather than as value.
This week's pick
Nothing. We're not going to invent one for the first issue.
What we'd do instead this week: open the three games above in real-money mode on whatever site you already use, check the RTP in the info screen, and find out which build you've been playing. For a lot of readers that will be the single most profitable fifteen seconds of the month.
That's issue one. If something here was wrong, tell us and we'll correct it in issue two — hello@playloomia.com.
Sources. Default RTP figures for Gates of Olympus and Sweet Bonanza are from Pragmatic Play's own game pages. Book of Dead's tier ladder and all alternative configurations are documented by AskGamblers and Bigwinboard, which read them from in-game paytables; the studios themselves publish only the default. The certification process is described by Play'n GO's Magnus Olsson in an interview with Bigwinboard.
Configurations vary by operator and by country and can change without notice. Always trust the number in the game's own info screen over ours.