I have some old neo geo games' backups which I play when I was a child. Is there any way of playing this on this ubuntu 13.04.
There are ancient Neo Geo emulators roaming around. Alongside GnGeo, there is NeoCD/SDL. I've no idea how well that works but it's just as old so it's just as likely to explode.
The reason NeoGeo gets no love is because people just use MAME. MAME handles a wide spectrum of consoles and arcade machines. And people tend to favour the original arcade ROMs that NeoGeo games are ports of. UpUbuntu.com has a fairly good tutorial on getting it all set up that I can't beat... But the basics revolve around the
We also have a question about various MAME front-ends:
GnGeo is a neo geo emulator for linux. You may try this one.
I would give FinalBurn Alpha a try. You can install/use it directly in retroarch: https://github.com/retropie/retropie-setup/wiki/FinalBurn-Alpha
It supports Neo-Geo specifically.
As noted in another answer most Neo Geo games are ports from arcade games, and you can play the original game i
NeoRAGEx is what you are searching for. The emulator is available for both Windows and Linux.