Do I need the Key?

Hint 1 of 10:

Yes.

Hint 2 of 10:

You must get the creature to stop.

Hint 3 of 10:

Tempt him with something.

Hint 4 of 10:

He might be hungry.

Hint 5 of 10:

Try a Cookie.

Hint 6 of 10:

Break open a Cookie Jar with the Axe.

Hint 7 of 10:

The Axe is upstairs.

Hint 8 of 10:

By the Stairwell.

Hint 9 of 10:

The Cookie Jar is the safe.

Hint 10 of 10:

The safe is in the Laboratory.