Yes, totally, a guy made some good games using my sprites and then he modified it a bit, take a look:
https://voidedpixels.itch.io/superfluous-sand
https://voidedpixels.itch.io/the-kings-of-limbo
once you buy it you can modify it as you wish... you can sell your game without problem, i'm just a guy who make little art packs to help people with games so Good luck ♥.