Ao Oni 3.0 Walkthrough

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Head to the kitchen to your right.
Inspect the broken plate.

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Walk out of the kitchen.
Go to the entrance hall.

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Go towards the hallway to your left.
Head upward.
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Go back to entrance hall.
Head upstairs, go into the top-right room.
Go towards the chair. Inspect the closet.
Exit the room. Go downstairs.
Head back upstairs and enter the room again.
Obtain Library Key.

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Head back to the entrance hall, go to the right hallway.
Enter the door.
Use Library Key.

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Obtain Attic Key.
Walk upstairs to the fourth floor.
Use Attic Key.
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Inspect closet.
Obtain Wooden Box.
Inspect bookshelf.
Exit the Attic.
Go to the room to your left.

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Inspect bed.
Obtain Paper Scrap B.
Push bed.
Go down the hole.

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Inspect piano.
Exit the room to unlock the door.

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After leaving the room with the piano,
go to either the top or bottom door.

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Go downstairs to second floor.
Go into the bottom door on the top left.
Inspect the table.
Obtain Match.

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Go downstairs to entrance hall.
Go to left hallway.
Walk upward.
Enter the open door.
Inspect the bathtub.
Obtain Bedroom Key.

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Go upstairs to the second floor.
Head to the bottom-left door.
Use Bedroom Key.
Talk to Mika.

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Exit the Bedroom.
Enter the open door on the bottom-right.
Use Match on the fireplace.
Use Wooden Box.
Obtain Hallway Key.

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Go downstairs to entrance hall.
Head to the hallway leading upward.
Enter the door on your right.
Use Hallway Key.
Walk into the sliding doors.

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Open the closed sliding door.
Obtain Paper Scrap A.
Use either Paper Scrap A or Paper Scrap B.
You will need to solve the piano puzzle.
(Click the link in case you need help solving it.)

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Go to the entrance hall.
Head to the right hallway, enter the kitchen.
Enter the door leading upward.
Inspect the bookshelf.
Input piano puzzle solution combination.
Obtain Study Key.

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Go back to entrance hall.
Head to the hallway leading upward.
Enter the door to your right.
Go towards the door at the end of the hall.
Use Study Key.

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Push the chair left or right.
Inspect under the table.
Press the switch.
Enter the room.

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Open the cage, close it behind you.
Obtain Basement Key.
Head out of the room and out of the Study.

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Go to entrance hall.
Head to the left hallway.
Enter the door.
Use Basement Key.

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Go down the stairs.
Enter the door leading upward.
Open the closet.
Obtain Iron Gate Key.
Exit the room.
Go to the bottom-left door to enter the white-floor area
Keep heading downward.

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Continue heading downward.
Pass through the next door.
Push the chair.
Inspect bookshelf.
Head back to the start of the white-floor area.
Go to the door to the right.
Inspect the two bookshelves.
Enter the door.
Go towards the bottom to unlock the door.
Continue heading downward.
Use Iron Gate Key.

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Walk to the door to your right.
Inspect on the bottom-right bookshelf.
Enter the passage.

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Continue walking.
Inspect the rope ladder.
Choose "Bring Takeshi and Mika".
Leave the cave area.
Head towards the door to the left of the iron gate.
Go back to the hidden passage.

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Go back to the hidden passage.
Obtain Metal Piece B.
Exit Basement.

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Go to the second floor bedroom, bottom-left room.

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Go to the bottom-right room.
Obtain Metal Piece A.

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Go upstairs to Attic.
Inspect the slots in the wall.

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Go upstairs to the fifth floor.
You will need to solve the floor puzzle.
(Click the link in case you need help solving it.)

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Enter the passageway.
Go towards the end of the hall.
Obtain Entrance Key.

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Go back downstairs to the entrance hall.
Use Entrance Key.
Keep walking downward.

WALKTHROUGHS