NEW FORUM IS IN BETA MODE - TESTING IN PROGRESS
RetroPie 4.5.8 Official developers build. unsupported. for Raspberry Pi 4b
basic build, with freeware games. nothing copy-written. Just free / home-brew / or demos of games.
20 Mame, there are others, like NES, SNES, N64, TurboGrafx 16, Gameboy Color, ports and a few others. (some Scrapping done)
small 8GB image. Great to play around with, but also has some pre-installed ready-to-go games.