One of the games along with Wolfenstein 3D, that redefined the FPS genre. DOOM is a first-person shooter where you descend through Hell, and where you defeat the Icon of Sin. One of the best games to ever be made of all time.
James: Wow! Dude, you got that new game, DOOM Eternal?
Kyle: Yeah bro, I did! I heard it was really good, and that it's a good first-person shooter!