[ps there are multiple rooms and deadly games not just the one you are in]

you got kidnapped and woke up in what look like a warehouse you something on your head When you felt it it felt like a bucket or a helmet But you couldn't take it off You then heard a voice on the intercom.

jigsaw: "Well I see that you're awake oh and What you have attached to your head is a smaller version of a trash compactor You will need to find the key to take it off If the timer runs out your head will be crushed Your time starts now."

You saw the big timer And it look like you only have 5 minutes.

What do you do