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You don't have to press any buttons to open those chests, simply passing sufficiently close to them while facing their front is all it takes. You may have been having such trouble because you were trying to press a button? All other criticisms I saw here are valid, but the chests were never an...
gonna have to drop from this sadly, i am a lot busier than i expected and it isn't likely to settle down anytime soon; please give my opponent the win for this round