The retrogaming consoles are freely accessible, hooked to CRT monitors and with RGB mods for the upmost playing experience! 

Neo Geo AES

Nintendo Twin Famicom

Nec Pc Engine Duo R

Amiga 500

SNES/SFC

More consoles available on-demand: 

Megadrive Pal

Saturn JP

Dreamcast Pal

Super Nes (EU & JP)

Nintendo 64 Pal

Game Cube Pal

X Box Pal

Xbox 360 (Pal & JP)

Playstation Pal

Playstation 2 (Pal & JP)

TurbografX Pal

MSX2 JP

Many games are available on demand