Doom is a pretty good time. It's a piece of history with so much of what's contained in here still being used by FPS' to this day. Level design for the most part is great and the shooting mechanics are simple but effective. Even though this game has a MIDI soundtrack it's aged incredibly well. Only downside really is that later levels start to get a little annoying and you need to play this game in short bursts to avoid having the image of a Cacodemon burnt into your retinas.

All in all it's clear to see why this game is loved so much and inspired a genre, and I really enjoyed my time with it.