That is not a cheat it's more like a glitch, and it is very easy.
Build bricks to the roof at the brick one thats the real trick!
Lol, it says -1% for shooting. You're so bad that a target shot you!
Or you could spawn a rocket launcher, shoot the doors ??? profit.
We just proved this thread is pointless 4 different ways plus the original way is common sense. In that case,FAIL!!!:3