This guide will be teaching you how to complete the game and obtain all The Corruption Within achievements.
- All achievements are story-related.
- Always make sure to exhaust all dialogue options.
- Choices don’t matter.
- Knock on the door.
- Go to the right twice, then up.
- Knock on the door again.
- Interact with the green sofa three times.
- Go to the right four times.
- Take the green hose hidden in the bottom right corner.
- Now, go to the left three times and talk to the butler.
- Go to the left four times and try to take the bottle of whiskey.
- Talk to Francesca, the kitchen maid.
- Pick up the bottle of whiskey.
- Go to the right and talk to Molly.
- Head back to the butler and interact with the staircase multiple times.
- Talk to the butler, then go up twice.
- Head to the right-most door and interact with the painting twice.
- Enter the room ahead and interact with the chest of drawers twice.
- Go downstairs, then to the left.
- Outside again, go to the right and interact with the shed door twice to find a spanner.
- Go to the right, up, then to the right three times.
- Examine the purple plant in front of the abandoned house to find a screwdriver.
- Go to the right, open your inventory (MMB) and use the spanner on the mortar.
- Go to the left three times, then down.
- Back in the mansion, enter the first floor.
- Go to the right twice, then up.
- Find a book on the desk on the left.
- Try to access the second floor again.
- Now, go to the left twice and up once. Talk to Charlotte.
- Enter the next room on the left.
- Head to the right four times and enter the room ahead. Talk to Charles.
- Leave and go to the right. Examine the console table twice to find some matches.
- Go up and talk to Penelope.
- Go downstairs and talk to Isabelle in the music room.
- Now, go to the right and talk to the servant.
- Backtrack to the old barn. Talk to Gary.
- Enter the mansion again and head to the left three times, then go up.
- Pick up the magnifying glass.
- Leave and go to the second floor.
- Enter the second room on the left and examine the footlocker six times.
- Use the magnifying glass on the painting.
- Leave and enter again. Talk to Charlotte.
- Outside the room, interact with the green console table three times.
- Click on the buttons in this order: 4-3-1-5-2-1-5-3
- At the lake, use the rune book on the yellow pillar. Code: 11-13-14-22
- Back in the mansion, head to the second floor, then enter the right-most room.
- Talk to Giles, then head outside and backtrack to the hanging body.
- Go up and use the iron key on the rock face.
- Enter the mansion, then go to the right twice and pick up the oil lamp.
- Back in the cave behind the hanging body, go up.
- Interact with the bones on the left three times to find a locket.
- Enter the mansion again. Talk to everyone downstairs.
- Head to the second floor and interact with the vase on the very right.
- Go to the right and use the nail file on the pulpit.
- Inspect the pulpit. Code: 13-21-24-23-11-12-22-14
- Talk to Gary in the dining room downstairs.
- Head back to the second floor, then try to go to the left.
- Now, go to the first floor and enter the right-most room.
- Use the screwdriver on the musical box.
- Open your inventory and use the bedroom key on the door in front of you.
- Head outside and go to the lake/shallow waters location.
- Use the wire and the hose on the wagon.
- Interact with the shallow waters and take the wallet on the left.
- Back in the mansion, talk to everyone downstairs.
- Head to the second floor and talk to Penelope.
- Backtrack to the previous room and inspect the mirror twice.
- Talk to Isabelle in the music room downstairs.
- Go to the second floor, then to the left.
- Enter the room in front of you.
- Interact with the dresser to open a secret room.
- Go to the right and interact with the chest twice.
- Leave and enter the bedroom on the very right. Talk to Giles.
- Now, enter the room on the very left.
- Head to the kitchen and talk to Francesca.
- Back on the second floor, enter the left-most room again.
- Talk to the couple.
- At the left-most lake location, inspect the prominent rock three times.
- Now, find a book in the chest (secret room) on the second floor.
- Talk to Isabelle downstairs.
- Go to the right twice, then down.
- Interact with the left cage multiple times.
- Take the whip and use it on the left cage.
- Investigate the iron maiden, then use the spanner on it.