Based on that file name, it looks like you’re dealing with for the Nintendo Switch , specifically a base NSP file with Update 3.7 (often associated with cross-save and performance tweaks).
Whether you're starting a fresh save or transferring your journey from PC via GOG or Steam, here is what you need to know about the current state of "The Switcher." Why Update 3.7 Matters
You can sync your progress with GOG and Steam. Start your morning on your PC and continue your hunt for Ciri on the bus.
Here is a blog post written with a "community guide" vibe for Switch players:
While newer "Next-Gen" updates hit the PS5 and Xbox Series X, the Switch version has its own specific optimizations. Update 3.7 focused on stability and the crucial functionality.
Turn this OFF to save a few precious frames during heavy combat in Novigrad. Is It Still Worth Playing in 2026?
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