Nintendo Switch Online Adds New NES and SNES Games on September 23; Donkey Kong Country 2, Mario's Super Picross, and More - Niche Gamer

Nintendo have announced [1, 2] the next games joining the Nintendo Switch Online catalog of NES and SNES titles;

Switch Online adding Donkey Kong Country 2, Mario's Super Picross

Must-Play SNES Games (That Never Left Japan), Page 2

The Mega Drive BOOK - SNES Book PDF, PDF

NES & Super NES - September Game Updates - Nintendo Switch Online

52 Games. 1 Year. 2021., Page 6

NES & Super NES - September Game Updates - Nintendo Switch Online

NES & Super NES - December Game Updates - Nintendo Switch Online

Nintendo Switch Online: Game Boy, NES & Super NES - Official

Nintendo Switch Online: Game Boy, NES & Super NES - Official

Nintendo Expands Its Switch Online SNES Service With Three More

NintendoQuest

The 'Shroom:Issue XLV - Super Mario Wiki, the Mario encyclopedia

52 Games. 1 Year. 2020., Page 2

Nintendo Switch Online: Game Boy, NES & Super NES - Official