Tool

What an RTP version costs you

The same slot runs at different return percentages depending on the casino. This works out what that difference is worth in money.

This is an expected value, not a result. It is the average across an enormous number of spins. Any single session will land far from it in either direction, because volatility — not RTP — decides what happens over a few hundred spins. The figure only becomes meaningful over a sample far larger than anyone plays.

Why the same game has several return percentages

A slot is certified once, but studios ship it in more than one configuration. Hacksaw, Nolimit City, Big Time Gaming and most others build a headline version plus two, three or four weaker ones. The reels look identical, the features are identical, the artwork is identical. Only the maths underneath differs.

Which version a player gets is the operator's decision, not the studio's and certainly not the player's. Casinos license the build they prefer, and the choice is rarely displayed anywhere a player would look. In most markets the only way to find out is to open the game's own info panel and read the return percentage printed in the rules — assuming the operator has not removed that screen.

Fruit Merge Megapots shows the scale of it. Big Time Gaming lists 96.19% at the top, 94.25% below that, and 86.22% at the bottom. Ten points separate the best build from the worst. Staking €1 a spin across 10,000 spins, the expected cost is €381 on the top version and €1,378 on the bottom one — the same game, the same session length, roughly €997 apart.

That gap is invisible from the lobby. It is the single strongest argument for checking the info panel before playing, and the reason this site records every version a studio publishes rather than only the headline figure.

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