Many people dream of meeting their heroes. It seems like tech YouTuber Samperson got that opportunity in a round-about way recently, when legendary PC game designer John Romero reacted to a Twitter post showing how a fan got the 1993 classic first-person shooter DOOM running in Notepad.

Almost as popular as the 2007 joke “but can it run

Source: Hot Hardware – Someone Got Doom To Run In Notepad At 60 FPS And John Romero Noticed