Suggested List of Systems to Add

[WingofaGriffin]

Nintendo Entertainment System: Mesen Standalone, puNES, Nestopia UE (Retroarch and Standalone)
Super Nintendo Entertainment System: Snes9x, Ares, Mesen
Game Boy Advance: VBA-M
Nintendo DS: DesMuMe
Sega Genesis: BlastEm!, PicoDrive
Sega Saturn: Kronos, Yaba Sanshiro
Dreamcast: Redream
Sony PlayStation: Beetle PSX (HW)
Sony PlayStation 2: Aether SX2 (MacOS)
Microsoft Xbox: Xemu
Arcade: MAME, FinalBurn Neo
ScummVM
Virtual Boy: Beetle VB
Pico-8
Tic-80
Sega-CD (Genesis Plus GX)
PC Engine (mednafen_supergrafx_libretro mednafen_pce_libretro mednafen_pce_fast_libretro)
NeoGeo: FB Neo
3DO: Opera
DOS: Dosbox-Pure
MSX: BlueMSX

Probably more tbd