Tech Tangents sets up original Doom's three-screen multi-monitor mode, which required a separate networked computer for each monitor. The video covers the hardware and setup work and the result.
Why Hacker News points people here: HN references it as a demonstration of Doom's original multi-monitor support and as retro computing content.
“There's (at least) one video on Youtube showing it in action with 3 monitors plus a fourth one with the map”HN comment, 2025
“retro computing and nostalgia for the era has never been stronger or more accessible”
Example of strong retro computing nostalgia
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As a teenager at the time, there was a palpable feeling of being part of a counter-culture that was on the bleeding edge of an inevitable future which adults simply could not grok. That world definitely ain't coming back, in large part because global internet connectivity has rendered quaint the very notion of counter-culture. On the other hand, retro computing and nostalgia for the era has never been stronger or more accessible: this video
Cites itbadocrNov 2025
“There's (at least) one video on Youtube showing it in action with 3 monitors plus a fourth one with the map”
Doom running across multiple monitors
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Yes, Doom with multi-monitors! There's (at least) one video on Youtube showing it in action with 3 monitors plus a fourth one with the map: this video
CriticalearksiinniFeb 2023
“But what's with the left monitor's screen overlapping with his face? Looks kinda greenscreen-y”
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I have no reason to doubt that this is real, and it looks amazing. But what's with the left monitor's screen overlapping with his face? Looks kinda greenscreen-y: this video
