You only play online. The NSP version uses a different title ID, so you’ll be locked out of official leaderboards and multiplayer (which is barely populated on Switch anyway).

TT Isle of Man: Ride on the Edge 3 is the latest installment in the TT Isle of Man series, a motorcycle racing game that simulates the iconic Isle of Man TT (Tourist Trophy) competition. This review focuses on the Nintendo Switch version, specifically the NSP (Nintendo eShop) and X-TOP (a Chinese retailer) releases.