Alongside standard gaming controls like a d-pad and analog sticks, the handheld device features a trackball and keypad, thoughtfully included to accommodate Atari’s unconventional titles.

After its excellent The C64 Mini and The A500 Mini consoles proved extremely popular, the company has turned its hand to a 1970s computer than few might have considered – the Atari 400.

The Atari 2600 is a console from a very different ... that’s what you do – and that’s exactly what [Christian] did with this handheld RetroPie build. An early concept sketch shows off ...