NeoRAGEx has known emulation bugs. The music tempo in Baseball Stars 2 is slightly off. The sprite priorities in Last Blade 2 have flickering issues.
However, many physical Neo Geo AES carts are rare, costing hundreds or thousands of dollars. Emulation advocates argue that since SNK has not produced Neo Geo MVS arcade boards in decades, the REPACK serves as a digital museum, preserving titles that would otherwise rot in warehouses (like Zupapa! or Ganryu ). NeoRAGEx 5.0 Neo Geo Roms Full REPACK
Unlike MAME, NeoRAGEx relies on the Neo Geo BIOS ( neo-epo.sp1 , neo-po.bin , etc.). A true "Full REPACK" should include the "neogeo.zip" file in the roms directory. If not, you must place a correct BIOS file there. NeoRAGEx has known emulation bugs