Nintendo of America has announced the Nintendo Switch Online service will officially commence in the second half of September 2018.

Once the service begins, in order to play online, players will have to purchase a subscription. Nintendo Switch Online membership also provides special benefits such as Save Data Cloud backup and access to NES titles with added online play.

Unfortunately no further details were announced today. Here’s 10 of the 20 NES titles that will be launching in September:

• Soccer
• Tennis
• Donkey Kong™
• Mario Bros.™
• Super Mario Bros.™
• Balloon Fight™
• Ice Climber™
• Dr. Mario™
• The Legend of Zelda™
• Super Mario Bros.™ 3

#NintendoSwitchOnline will launch in the second half of September. The service provides access to online play & Save Data Cloud backup in compatible games and a growing library of NES titles with added online play.https://t.co/74Hzxk9spt pic.twitter.com/JtNgmjnilE

— Nintendo of America (@NintendoAmerica) August 10, 2018