Published on March 26, 2026 | Reading time: 9 minutes
Who Actually Builds the Games in a Casino Lobby
The games in an online lobby are not made by the site that shows them. They are licensed from independent studios, and understanding that division explains several things that otherwise look arbitrary — including why the same title behaves identically across dozens of sites and why one number about it can still differ.
The Division of Labour
| Who | What they control |
|---|---|
| Game studio | The mathematics, the artwork, the features and the certified build |
| Aggregator | Distribution: one integration that gives an operator many studios |
| Operator | Which games appear, which RTP build is used where a choice exists, the cashier and the terms |
| Test house | Independent certification that the game runs the maths it discloses |
The practical upshot is that a complaint about a game’s behaviour and a complaint about a payout go to different places. The first is a studio matter, verifiable against the published paytable; the second is an operator matter, governed by its licence.
What Certification Actually Certifies
An independent test house checks that the random number generator is statistically sound and that the game returns what its paytable says over the long run. That is the whole claim. It does not certify that the return is generous, that a session will be fair to you, or that the operator will pay promptly — those are separate questions with separate answers.
Why Release Notes Are Worth More Than Interviews
Studios publish game rules, paytables and RTP figures because regulators require it. Those documents are checkable and dated. Promotional material about a studio’s creative process is not checkable and changes nothing you can act on. If you want to know how a game behaves, the paytable is the primary source and everything else is commentary.
Questions About Game Studios
Does the casino make its own games?
Almost never. Some large operators commission exclusive titles, but the mathematics is still built and certified by a studio. A site that describes slots as "our games" is using a possessive, not making a claim about authorship.
Why does the same game appear on so many sites?
Because studios license the same build to many operators, usually through an aggregator that handles the integration. That is also why the artwork and features are identical everywhere you meet it.
If the game is the same, can anything differ between sites?
One thing: the RTP configuration, where the studio ships more than one and lets the operator choose. That is why the information panel is worth reading on each site rather than trusting a figure quoted elsewhere.