How do I get the hostel door to open

Hint 1 of 13:

You should first realize that this is an airlock that you're in.

Hint 2 of 13:

Try closing the Mars door.

Hint 3 of 13:

Obviously, the power has gone out.

Hint 4 of 13:

Read the article in the Inquisitor about the man who was in a car wreck.

Hint 5 of 13:

There's a metal plate that looks like you can open.

Hint 6 of 13:

If only you had some kind of coin, you could unlock it.

Hint 7 of 13:

Go to the monolith and read the sign.

Hint 8 of 13:

You can buy a token to use on the metal plate.