Allows for upscaling to 4K resolution and 60FPS gameplay. I-Ninja Review for PC: I-Ninja O-Kay - GameFAQs
Playing the GameCube or PS2 versions via an emulator. i-ninja-pc-game-free-download-full-version
Because I-Ninja is essentially "abandonware," it is not officially sold by its original publishers. Users generally rely on these community-driven methods: 1. The Collection Chamber Allows for upscaling to 4K resolution and 60FPS gameplay