See also the verb "To Garry".
※Spoilers
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During the transition from the middle of the story to the final stages, Garry finds the final ball of paint in a room filled with blue dolls and tries to leave, but the door is locked and won't open. At that time, the words "Let's play treasure hunting again!" appear, and Garry must search for the key. (This is a point where the story branches paths.)
If he finds the key and escapes safe and sound, he goes to join up with Ib, but if he can't find the key within the time limit, he is assaulted by a giant blue doll and falls into a condition of severe "Psychological Trauma".
But after that, Ib slaps him in the face with a power one wouldn't expect of a nine-year-old girl, and he returns to his senses.
However, from ver1.04 of the game onwards, in certain endings, the event where Ib slaps him doesn't happen, and...
