To get the latest version on your Nintendo Switch, use the following Official Support Method :
The Contra Anniversary Collection on the Nintendo Switch includes the following features: contra anniversary collection switch nsp update link
that added Japanese versions of six games in the collection to provide a more authentic global experience. Collection & Update Details Total Games : 10 titles including (Arcade/NES), Super Contra (NES), and Contra III: The Alien Wars Update Content : Adds Japanese versions for (Arcade/Famicom), Super Contra Contra III: The Alien Wars Operation C Contra Hard Corps To get the latest version on your Nintendo
Maintains your ability to access leaderboards and online features. Super Contra (NES)