System architecture The brain of the console is a Raspberry Pi running a game console emulator. The Raspberry Pi inside the console makes use of Retropie so your console can emulate what you want: various Atari's, Sega's or a Nintendo SNES. When you insert a game cartridge in the console, the game starts. The joystick is a heavy duty stick with magnetic centering. This Instructable is about making your own console, joystick and game cartridges. You insert a game cartridge into the console to play a new game. This game console is a complete system: a console, a joystick and game cartridges.