My RetroAchievements works now
I use lakka rettroarch pc version x86_64 , 2.1 RC4
i was register on retroachievements.org , the account must be verified by email way !
then i link two discord channels (retroarch & retroachievements) - community people
again retroachievements discord channel account must be verified by the forum topic method
in short >
lakka 2.1 RC4 , x86_64 PC version , achievements WORKS after register on retroachievements.org and complete verify account by mail and then after link discord accounts (retroarch & retroachievements) verify by administrators in forum retroachievements topic for this.
games in retroarch show list of achievements
i use emulators from nightlies / linux / x86_64 / latest /
NES - FCEUmm with turbo buttons enable in options
SNES - Snes9x NEXT (snes9x2010)
SEGA 8bit - Genesis Plus GX
SEGA 16bit - PicoDrive
Nintendo64 - Paralel 64
must use gameboy and gameboy advanace next time , gambatte and mgba
this emulators used achievements (and turbografx console - dont like)
ACHIEVEMENTS WORK THIS METHOD FLAWLESS
visit my blog http://www.tigerhareram.cz/linux.html