SiN Easter Egg - See Oswald Graffiti in Skeen Deathmatch Level

1. In the skeen dm level, there should be a window in the back of a building
2. Go into it and there will be stairs there. Go to your right and you will see a pole
3. Climb up the pole and go into the window.
4. Run through this are until you get to another window.
5. Now you are in the sniping area.
6. If you turn to your right, you will see graffiti. It says: Oswald was here