Remember, these games aren't individual downloads but are bundled together in the Nintendo Switch Online NES, SNES, GB, N64, Genesis / Mega Drive, and GBA applications, which are 'free' to download.

There are 179 games in the basic Switch Online package, including 79 games as part of the NES library, including a lot of popular Nintendo series. Popular games from the Mario, Zelda and Kirby ...