The best way to enjoy Miriam’s journey through the demonic castle is through official channels. The game frequently goes on sale for a fraction of its original price.
The most direct way to get the NSP (technically) installed on your system. It ensures you have the latest performance updates and DLC (like the Classic Mode and Zangetsu playable character).
When Bloodstained first launched on the Switch, it faced significant technical hurdles compared to the PC and PS4 versions, including lower framerates and input lag.
Ensure you are on the latest version to benefit from the graphical and stability fixes.