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Nancy Drew: The Haunting of Castle Malloy Hints
Where is the launch key?
1 of 5: Did you notice the clipboard on the wall to the left of the elements chart? You don't need to read it, but pick it up anyway.
2 of 5: Push the red button that was behind the clipboard to open a window in the wall nearby, then take a look inside.
3 of 5: There's the key at the top of the screen, on the far side of all those round things.
4 of 5: In order to reach the key, you'll have to move all of the round things out of the way. The little arm here can be used to move them --
5 of 5: -- but as you may have just discovered, those round things are actually bottles (or barrels or petri dishes or something) of different chemicals, all of them unstable and inclined to blow up if you don't treat them right. (Just like some people I know.)