251 games in our catalogue carry this theme, 217 with a verified RTP, from 65 studios, 248 playable as a free demo.
Merged tags: Gems, Gem — the catalogue spells this theme several ways and they are one theme.
Games with this theme
251
Average RTP
96.12%
RTP range
90.50–98.40%
Studios working it
65
Free demos
248
A theme is art direction, not maths
Two gems games can share every symbol and still be priced differently. Across this theme the published RTP runs 90.50% to 98.40% — a 7.90 point spread inside one visual category. Pick on the number, not the artwork.
We compared 25 of these games across two or more casinos: 8 are served at different RTP builds depending on the operator, averaging 1.09pp of difference. Where you play a gems slot can matter as much as which one you pick.