https://www.cnet.com/news/nintendo-switch-online-adds-another-nes-zelda-game-next-week/

That'll bring the total number of NES games on the service to 31 -- the library is updated each month -- and there are also fancy SP versions of games that add surprising twists to existing entries.

Zelda II: The Adventure of Link is a curious mix of the series' classic overhead view and side-scrolling platforming action -- it's also rock hard.