It seems like every day there’s a new thing that people are getting to run Doom. It’s such a lightweight game, but still fun to play, and it’s easy to get running in many things, even a scientific calculator. Additionally it’s old enough that there are exploits in it that make it easy for lots of custom and arbitrary code execution.

Well,

Source: Hot Hardware – Yo Dawg, We Heard You Like Doom So Here’s Doom Running In Doom