NPlayers.ini v0.272 is released. NPlayers.ini fills the "Players" column of your favourite MAME / SDLMAME frontend letting you know how many players the game supports and if it's simultaneous play or not. You'll find more info in the text file included in the zip archive.

Download: NPlayers.ini v0.272 (for MAME v0.272)
Download: NPlayers.ini v0.271 (for MameUI v0.271)
Source: Here