Previously, you had to unlock the Japanese versions via cumulative playtime. The update removes that grind, allowing you to switch between Contra (US) and Gryzor (JP) instantly from the game select menu.
The update transforms the collection from a "lazy port" into a definitive way to play Hard Corps on the go. Contra Anniversary Collection Switch NSP UPDATE
The Contra Anniversary Collection has always been a solid nostalgia trip, but with the latest (v1.1.0 or later) on Nintendo Switch, several lingering issues have finally been addressed, making this the definitive way to play these arcade and NES classics on the go — especially for those using digital backups or custom firmware. Previously, you had to unlock the Japanese versions
Here’s a sample review you can use or adapt for the Contra Anniversary Collection on Nintendo Switch, specifically regarding the (assuming you’re referring to a post-launch patch or the latest version available for custom firmware or digital download): The Contra Anniversary Collection has always been a