In todays episode of “Does it Play Doom?” Kilograham on GitHub posted up a guide for playing Doom with a RP2040:
Given a new platform it is only natural to think of porting Doom to it. With 264K of RAM, two CortexM0+ CPUs and a decent clock speed, the RP2040 is certainly not the tightest platform Doom has ever been ported to – although at less than $1 it is probably one of the cheapest – so I wanted to set my self a more aggressive set of goals:
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Have you found a way to play Doom on a Pi4 with other players? I have been unable to create a game that other players can find.