Listen to the sound clip 1. Opening from Niko^2 Niko² ニコニコ - Video Game Music: 1. Opening 1. Opening This sound is from Niko^2 Niko² ニコニコ - Video Game Music Video game music from Niko^2 Niko² ニコニコ for X68000. Published by Wolfteam (1991). Go to the full soundboardwith more sound clips Search