Gambling Game sound effects, royalty-free and cleared for commercial work. 3 libraries carry this tag, most of them filed under Game Audio Bundles and Miscellaneous.
Recordists here also tag gamedev, fruit machine and Video, which is worth a look if nothing below fits.
Medieval-themed sound effects collection featuring 320 high-quality audio assets, including UI elements, win tunes, and fantasy scenarios like dragon battles, magical spells, and tavern celebrations tailored for slot game development.