The $4 Raspberry Pi Pico is a low-power microcontroller, sort of like an Arduino board. It isn’t really meant to play games, and especially not 3D titles. But in the spirit of “can it run DOOM,” the Pi Foundation’s Graham Sanderson has ported the original DOOM to the Raspberry Pi Pico. And it works great.
Multiplayer ‘DOOM’ Arrives On the Raspberry Pi Pico, a $4 Computer