Quick answer: To complete Garfield: Escape from Monday Nurmal Prison Escape, insult the marshmallow guard until it reacts. Then go through the door it leaves open to escape. Source
Players also call it Nurmal prison door or Nurmal marshmallow guard.
How to escape Nurmal's prison
Provoke the marshmallow guard
Address the guard and insult it. Garfield calls it an “old marshmallow” and mocks its texture and sweetness. Source
Escape through the open door
When the guard reacts to the prisoner escaping, go through the door it has left open. Source
FAQ
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