Missing MAME/Neo Geo ROM

Hi guys, first of all, thanks for your fantastic work. I'm trying to complete my MAME collection but I couldn't find for the life of me a Neo Geo ROM, that is Kraut Buster. I heard that the game was never dumped and allegedly features an additional chip for either anti-piracy or as a co-processor. But I wanted to be sure before I give up on it (the company was even wound up...). Thanks in advance!

according to reddit it was never released digital

I think all of the NGDEV team Neo Geo releases are unavailable, not just this one. Only the Dreamcast ports (where exist) are out there as MIL CD releases.

That's what I figured, it really is a pity (especially preservation-wise). Thanks to you both!