Taiko no Tatsujin: Nijiiro Version (the 2020 "Rainbow" arcade update) on PC via TeknoParrot requires specific software configurations as it runs on the Namco System BNA1 (and ES3 for earlier versions) hardware 1. Core Software Requirements
Step 2: Add the Game Click the "Add Game" button. Scroll down to find "Taiko no Tatsujin Nijiiro Ver." Select it. Taiko No Tatsujin Nijiiro Teknoparrot
If you want, I can:
TeknoParrot is a PC loader that runs actual arcade game dumps. It tricks the game into thinking it’s running on an arcade motherboard (Namco BNA1). Because this emulates the hardware (not just the game), input lag is significantly lower than console ports. Taiko no Tatsujin: Nijiiro Version (the 2020 "Rainbow"