Almost nobody opens a lobby thinking "I would like a 96.4% return today". People look for Egyptian, or fruit, or horror. Theme is the real navigation layer, which is why it deserves a page — and why those pages should carry the numbers rather than just the artwork.
Each theme here shows how many games carry it, what they average on published RTP, how wide the spread runs inside the theme, and which studios actually work it. The spread is the useful part: two games with the same symbols can be priced two percentage points apart.
Why some themes look "better" than others
A theme with a high average usually reflects who makes those games rather than the theme itself. Classic-fruit machines skew high because they are mechanically simple; licensed and feature-heavy themes skew lower because the studio spends part of the return on the bonus structure.
Read the average as a hint about the neighbourhood, then judge the individual title. The range column tells you how much the neighbourhood varies.
Merged tags
The catalogue tags themes as free text, so the same theme arrives spelled several ways — "Animal" and "Animals" are 419 and 269 games of the same thing. We merge those pairs before counting, and each theme page lists the raw tags it folds in. Without that step you would get two competing pages describing one theme, which helps nobody.
Frequently asked
Does the theme affect my chances?
No. Theme is art direction; RTP, volatility and hit frequency are the maths. Two identically themed games can have very different prices.
Why do some themes have fewer games than I expect?
We only publish themes with at least forty catalogued games, and we count each game once per theme even when it carries several tags of the same theme.
Where do the theme tags come from?
They come with the game metadata in our slot catalogue, normalised and merged as described above. We do not invent theme labels.