A properly archived cartridge with any batteries removed or regularly replaced might expect to last 50+ years. If stored any other way, it will vary greatly but as an electronic engineer and based on experience with older systems I'd expect to see the failure rate start to rapidly increase in the next few years.
What are the next SNES games on switch?
ORIGINAL STORY 21/7/21: Nintendo has announced the next three SNES games set to join its Switch Online catalogue: Claymates, Jelly Boy and Bombuzal. The three join Nintendo's paid-for service next week, on 28th July. "Take on the role of Clayton, son of Professor Putty," Nintendo says of Claymates.21 Jul 2021
Are Nintendo 64 games coming to switch?
Nintendo launched its “Expansion Pack” for the Switch Online service back in October, which brought Sega Genesis and Nintendo 64 games to the library of playable retro titles. The first new addition has now been announced, and it's just one game: Paper Mario. It'll be available on December 10th.3 Dec 2021
Is the SNES discontinued?
Nintendo ceased the production of the Super NES in North America in 1999, about two years after releasing Kirby's Dream Land 3 (its final first-party game in the US) on , and a year after releasing Frogger (its final third-party game in the US).