However, some developers and publishers pushed back against this requirement, and Tecmo Koei was one of them. They decided to create a special "NoNpDrm" version of Ninja Gaiden Sigma Plus for the PS Vita, which would allow players to play the game without the need for an online connection.
The version you're mentioning, specifically, is a USA release for the PS Vita, with the interesting addition of "NoNpDrm" in the title. Ninja Gaiden Sigma Plus PS VITA -USA- -NoNpDrm-
Would you like to know more about Ninja Gaiden Sigma Plus or the PS Vita? I'm here to help! However, some developers and publishers pushed back against
The NoNpDrm patch, in particular, ensured that players could enjoy the game without restrictions, showcasing a somewhat unusual alliance between the game's developer and the gaming community. Would you like to know more about Ninja
You're referring to a specific game and its unique requirements!
When players inserted the game cartridge or downloaded the game from the PlayStation Store, the game would load, and the patch would be applied automatically. This allowed players to play the game without any online requirements.
Here's the long story: