The Ultimate Pi Zero Thread - Orginal Post

Working Systems (Need confirmation)

Apple 2 Arcade Atari Lynx Atari 2600 Atari 5200 Atari 7800 Atari 800 ColecoVision Commodore Vic-20 Sega Game Gear Sega Master System Sega Genesis Sega SG-1000 Sega SC-3000 Magnavox Odyssey 2 MSX Nintendo Gameboy Nintendo Gameboy Advance Nintendo Virtualboy Super Nintendo / Famicom NEC TurboGrafx-16 NEC SuperGrafx NeoGeo NeoGeo Pocket PC/DOS SNK WonderSwan Sony Playstation ScummVM Vectrex Z Machine ZX Spectrum

Overclock
Some results listed below include overclocking. These are the settings that were used:

arm_freq=1050
over_voltage=8
core_freq=500
v3d_freq=333
h264_freq=333
isp_freq=333
sdram_freq=500
over_voltage_sdram=4
(source)

https://github.com/kloptops/retropie_stuff