HHG aka Heroes Harem Guild has mini games in it like fishing and mining with Currency. Just be warned the dev has been promising an update for a few years now. But he does regularly responds in the comments.
If you can’t find any of these games I listed you can click on my Name then click on view creator page then click on DingleBerrie’s Collection it’s in black letters. It has quick links for all the games and it’s made here on itchio anyone can make their on collection. There’s over 300 games listed it was a work around when visa made itchio take all their games down on the search engine.