Dragon Fighter (Unl)[U][!] - reproduction mapper 292

[mwolstein]

Is it possible to reproduce on a regular PCB mapper MMC3?

Rom --  Dragon Fighter (Unl)[!]  -- https://megawrzuta.pl/gqc3vi7s
Mapper 292 -- https://www.nesdev.org/wiki/NES_2.0_Mapper_292

where can you buy such a cartridge?

[Sharpnull]

Is it possible to reproduce on a regular PCB mapper MMC3?

No. CHR ROM - 512 KiB, MMC3 CHR ROM Max. - 256 KiB. But there is an option, it might be possible to do it on MMC3 PRG 512 KiB and CHR RAM 16+ KiB. Also, game protection complicates the creation of a hack.

[mwolstein]

is there a Chinese multi games cartridge that could serve as a donor?

https://github.com/mamedev/mame/blob/master/src/devices/bus/nes/mmc3_clones.cpp