Alternatively, more than one revision of a game exists in a single market.Īnyway, the point is that these variants have some data in common, but also have some differences. This could be the result of differences between a Japanese release, an American release, or a European release. Most arcade games have more than one variant version. Here's the short version for merged vs non-merged vs split romsets: What am I missing here? Any advice on how I can fix this would be awesome. If that’s the case, shouldn’t the ROM run fine – since it works on a really early version of MAME The retropie docs suggest lr-mame2003 works with MAME 0.78 Now I did some digging, and it looks like one way to confirm the rom matches the version of MAME to use is here: īased on a quick search, it looks like the rom has been compatible since MAME version. My version of Darkstalkers is: Night Warriors: Darkstalkers' Revenge (USA 950406)īased on the config files in retropie, it looks like I’m using lr-mame2003. However, my version of Darkstalkers does not seem to work – booting up the game shows the little menu that says you can ‘press a button to config’ for a while, and then kicks me back to the MAME library. I tested out three games on my machine – Street Fighter 2, Pacman, and Donkey Kong – and they all work. Hello! New to the MAME setup scene – recently got Retropie running on a Pi 4 with 8 GB ram.