If the download is slow, place the PS4 in Rest Mode to allow it to dedicate all network resources to the download.
Let's execute the searches. executing the initial set of searches, I have some results. For the CUSA code search, the results are mostly Wikipedia pages for various Ultimate Ninja Storm games, but none directly mention "CUSA06381". It might be a specific code for a particular region or version. For the PS4/PS5 installation guide, I found some general guides on installing PKG files and updates, but nothing specific to this game. For the PC Steam install guide, I found some results that seem relevant, including a Steam store page and a guide for Linux. For the PC crack install, I found various patch and crack-related results. The PS3 install results are general guides for reinstalling system software, not specific to the game. The PS Vita install results are mixed, with some results for other games and general installation methods. The installation problem fix results include Steam support and various forum discussions. The system requirements results are accurate. cusa06381naruto shippuden ultimate ninja storm install