- Level Easy, Hard and Chaos: Already Unlocked.
- This is the free collaboration song with the game "GROOVE COASTER 4".
- FUJIN Rumble is one of the songs for the Block Tournament section of the first Tenkaiichi Otogezai Zenkoku issei nintei taikai event, representing the Wind element. It was crossed over to jubeat, maimai, and Taiko no tatsujin in November 26, 2014.
- On the GROOVE COASTER 2 EXTENDED PLAY album, FUJIN Rumble's artist was slightly changed to COSIO from ZUNTATA.
- FUJIN Rumble later also appeared on the GROOVE COASTER ORIGINAL SOUNDTRACK BOOST album, with its artist unchanged.
- FUJIN Rumble also appears in the mobile rhythm game Lanota and WACCA as their separate collaboration with GROOVE COASTER.
- This is the only level 15 song that is unlocked at the start of the game.
- There is an easter egg in the Chaos difficulty chart. Around the 50 second mark, there is a track of drag notes that is overlayed by click notes to resemble gameplay from Groove Coaster.
- In version 3.6, this and all other collab songs were moved to Graff.J.