Half-Life PS2 Q&A

Q:

I cant get in fuel room to put on fuel and oxygen I have done the power and the fan but now have nowhere to go its the silo sections with the green beast that has three heads! and the test switch which wont work till iget into this room!?

Q:

How do I get inside the fuel room on the blast pit level?

Q:

Is there any way to get a gun before the accident?

Q:

After climbing the yellow ladders where do I go ? lvl 3 where the scientist hanging

Q:

In office complex how do I jump on to yellow ladder hanging from lift?

Q:

How do I get to cheat screen?

Q:

Can you tell me how to get cheat screen?

Q:

What to do in xen?

Q:

How to activate the cheat codes?

Q:

I am stuck on Office Complex (Third part) where there is like a tall thing inside and there is a lot of yellow ladders going up and a scientist hanging from a ladder.
How do you get to the yellow ladder straight ahead of you?
(I always end up falling and dying! HELP!