https://techcrunch.com/2017/10/09/nintendos-mini-snes-has-already-been-hacked-to-run-more-games/

Nintendo SNES Classic owners should be glad to learn that more games aren’t out of your reach.

Cluster, the Russian coder who originally cracked the NES Classic Edition, has now figured out how to side-load more games to the SNES CE through his Hakchi tool. With the release of Hakchi v2.20, users can expand their options on the little SNES, which comes with only 21 games pre-installed.