Things I learned from Doom

- If you see a place that you cant find an obvious door to, start punching walls and a secret passage will open

- dont pick anything up in an open space, because walls with monsters behind them will disappear

- vertical alignment of projectiles dosent matter as long as you are facing the horizontal direction of your target

- there exist several guns floating in mid air just underneath my line of vision

- john romaro is satan

- megadeth is fucking awesome