The music behind the Music button in the header is not the game's. It is ten CC0 tracks - public domain, no attribution required - picked to sit in the same neighbourhood. Credited anyway, because saying where something came from is right whether or not a licence compels it.
- 8-bit MonsterVania - HydroGene2:00 CC0
- 8-bit Infinite Darkness - HydroGene2:45 CC0
- 8-bit MonsterVania #2 - HydroGene2:23 CC0
- 8-bit Perilous Dungeon - HydroGene1:53 CC0
- Dark Forest Theme - cynicmusic1:33 CC0
- Sinister Boss Appears - cynicmusic0:45 CC0
- Evil Approach - nene1:08 CC0
- Boss Battle #6 - nene1:40 CC0
- Great Boss - Spring Spring1:51 CC0
- Epic Boss Battle - Juhani Junkala2:03 CC0