Nintendo is shutting down the Wi-Fi Connection service for DS and Wii on May 20, Nintendo of Japan announced today.

While Nintendo DS/DSi and Wii users will no longer be able to access online features such as online play, matchmaking and leaderboards from the announced date, according to a Nintendo of Australia press release, the Wii Shop Channel and Nintendo DSi Shop will not be affected. Browsers for the DS and DSi will also be accessible beyond the date, as well as the Wii's Delivery Channel, Hulu, Internet Channel and YouTube.

The service's retirement will affect 20 Nintendo published Wii games and Wii Ware titles, including Animal Crossing: Let's Go to the City, Super Smash Bros. Brawl, Mario Kart Wii and Pokémon Battle Revolution. More than 40 Nintendo published DS and DSi software titles will also be affected, such as Dragon Quest 9: Sentinels of the Starry Skies, Fire Emblem: Shadow Dragon, Pokémon Platinum Version, Professor Layton and the Curious Village and The Legend of Zelda: Phantom Hourglass. The full list of titles are available on the official Nintendo of Australia website.

We have reached out to Nintendo to confirm if the Wi-Fi Connection service termination is worldwide.

Update: "This is a global termination which will take place on 20th May 2014 Worldwide," a Nintendo spokesperson told Polygon.

Update 2: Nintendo issued Polygon the following statement: