Finn and the Swirly Spin

What these figures mean for Finn and the Swirly Spin

The ceiling on this game is 300x your stake. That is the lowest maximum win of any slot in this catalogue — less than half the 700x of Aloha Cluster Pays, well under half of Starburst's 800x, and one thousandth of what Tombstone R.I.P. can pay. On a £1 spin, the single best thing that can happen to you in Finn and the Swirly Spin is £300. There is no tail, no jackpot, no outcome the game is secretly capable of.

Now put that next to the second figure, because the pair of them is genuinely odd. NetEnt publishes 50.7% as this game's base-game return — the second-lowest base in this catalogue, behind only the 42.84% of Punk Rocker. So 45.92 percentage points of the 96.62% total arrive through the features rather than ordinary spins, and that is a Nolimit City-sized proportion sitting on a 300x ceiling. Punk Rocker strips its base game to fund a 15,072x top prize. This one strips its base game almost as hard and funds nothing of the kind.

Where does the money go, then? It has to come back as a large number of middling feature wins, because the design leaves nowhere else for it to be. With a 22% hit frequency, something returns on roughly one spin in five — slightly less often than average here — and with nearly half the total return locked in features that cannot pay more than 300x, those features must trigger reasonably often and pay in multiples that are meaningful but never large. That is the arithmetic working backwards from two published figures, and it is the only shape consistent with them.

By share of return, this is the most feature-dependent game in the catalogue outside Nolimit City. The 45.92 points sitting outside the base game are more than the 40.41 of Karen Maneater, more than the 40.08 of Tombstone R.I.P., and far more than the 28.2 of Dead or Alive 2 — and unlike any of those, there is no large prize at the end of it. The features here are not a route to a jackpot; they are where the game keeps nearly half of its ordinary, modest payouts.

The volatility index confirms it: 4.4, which is firmly in the gentle third of this catalogue, above Blood Suckers at 2.7 and Jack Hammer at 3.8 but well below Twin Spin at 6.5 or Dead or Alive 2 at 9.9. A game can have a low base return and still be low-variance, as long as nothing it pays is ever very big. This is that game. The 50.7% base is not a warning sign here the way it is in Punk Rocker, because what follows it is not a lottery — it is a feature-heavy game with a hard, low cap.

The practical reading is unusual: this is a slot where almost the entire experience is the features, and where the thing people usually check first — the maximum win — is the thing to check last, because it rules out one reason to play and leaves the others untouched. If you want a session that cannot go badly wrong and cannot go spectacularly right, a 96.62% return with a 4.4 index and a 300x cap is close to the cleanest statement of that proposition on this site. It is above the catalogue average of 96.43% as well, which is more than can be said for Gonzo's Quest at 95.97%.

What NetEnt does not publish here is the trigger rate of the features — the one number that would turn the inference above into a fact. Nolimit City states, for every one of its games on this site, how often the bonus arrives: once in 194 spins for Tombstone R.I.P., once in 244 for Punk Rocker. For this game there is no such figure, no odds on the 300x, and no breakdown of which feature carries which share of the 45.92 points. The conclusion that the features pay often and moderately follows from the numbers that exist; it is not something the studio states, and we are not going to put a figure on it.

One last number worth placing. At 96.62% this game returns more than Twin Spin, Divine Fortune, Gonzo's Quest and every Nolimit City title on this site, all of which offer ceilings between three and a thousand times higher. You are not paying a premium for the low cap; if anything you are paying slightly less than average for it. The 300x buys nothing and costs nothing — it simply removes an outcome from the game.

So: the smallest ceiling in the catalogue, an unusually mean base game, nearly half the return hidden in features, and a dispersion index that says none of it will feel dramatic. The 300x is not a flaw — it is the whole design, and it is the reason the low base return here means something completely different from the same figure in a Nolimit City game.

What the studio publishes about the maths

Figures NetEnt states for Finn and the Swirly Spin itself — not our estimates.

How Finn and the Swirly Spin compares with the rest of our catalogue

Against every other game here whose studio publishes its maths.

Volatility as the studio states it — what the index measures.