In regards to the NES games, the FAQ confirms that players will only have offline access to these classic titles for seven days as long as their Nintendo Switch Online subscription is active. Always a bummer to have to pay for something you got for free before, but hey, Nintendo's been upfront about these plans since before Switch even came out.
After a someone vague outlining of the Nintendo Switch Online service in last night's Direct, Nintendo updated an online FAQ page for the service to make some clarifications. As of late, that includes the way it shows off the future of its games and consoles.
Can NES - Nintendo Switch Online games be played offline?
September: Soccer, Tennis, Donkey Kong, Mario Bros.
Video game stories from other sites on the web.
What's up with the smartphone app?There's also Chocobo's Mystery Dungeon Everybuddy! coming this winter, World of Final Fantasy Maxima on November 6 (also for PS4 and PC), and Final Fantasy XV Pocket Edition, the Switch version of which is available now alongside PS4 and Xbox One.
What are these special offers?
While it might seem like a trivial issue, it's worth remembering that cloud saves will be the only way for Switch owners to transfer data between consoles. The new wireless NES controller for Switch looks exactly like the original NES controller. No word yet on whether or not you can buy a single controller individually.
Save data stored with Save Data Cloud can not be kept outside of the duration of your Nintendo Switch Online membership. It sounds like this could change, but it will be the policy at launch.