The original Switch port utilized the CPU for decompression, leading to 10–15 second load times when entering the Mansion or Intensive Treatment. The new update offloads this to the GPU using a custom NVN API call. Result: Loading screens are now consistently 6–8 seconds. This is a massive quality-of-life improvement for backtracking.
The biggest complaint at launch was the sub-720p resolution in handheld mode. The new update modifies the DRS thresholds:
When the Batman: Arkham Collection (comprising Asylum, City, and Knight) shadow-dropped on the Nintendo Switch late last year, the mood was mixed. While fans were thrilled to play Rocksteady’s masterpieces on the go, the technical performance—specifically in Arkham Knight—left a lot to be desired. batman arkham asylum switch nsp update exclusive
However, a quiet but significant NSP update has rolled out for Batman: Arkham Asylum, and early data miners and players are reporting that this isn’t just a bug fix. There are exclusive optimizations tied specifically to this update file.
Here is everything you need to know about the latest Batman: Arkham Asylum Switch NSP update and why it changes the game for handheld vigilantes. The original Switch port utilized the CPU for
For the 99% of users who aren't using custom firmware:
Warning: Do not search for "NSP update" on public file hosts unless you own a modded Switch with a clean certificate. Nintendo has been aggressively banning consoles that play Arkham titles via unauthorized NSPs due to telemetry data in the new patch. Warning: Do not search for "NSP update" on
One exclusive feature found in the update is anisotropic filtering. While the base game used a blurry mipmapping technique, the new NSP update allows for 4x to 8x texture filtering on floor and wall surfaces. The infamous "Asylum corridors" no longer look like a muddy mess when looking down the hallway.