When I was young my dad hooked up 2 computers so my brother and I could play 2 player Doom II (could’ve been Doom but unlikely). It was probably 5fps and barely

When I was young my dad hooked up 2 computers so my brother and I could play 2 player Doom II (could’ve been Doom but unlikely). It was probably 5fps and barely playable. My brother and I almost fell out of our chairs when we saw the other player. It blew my mind being able to see another player and what he looked like in game.