Second Sight Easter Egg - Assault Rifle in "Preperation"

1. Play the second level, it's called "Preperation".
2. Play the level normally untill you get to the part JC tells you to do the training course again with a gun.
3. Instead of going to the training, go down the corridor where you were at the start of the level. Open the door at the end of the corridor at grab the assault rifle that is inside.
4. This gun is loaded with real bullets so you can kill everyone in the base. Be carefull because they fight back.
(If you can blast your way through the training course you get to fight your boss at the end).