The Room 4: Old Sins · Room 1 of 9

The Room 4: Old Sins Foyer Walkthrough

Open the dollhouse, recover the eyepiece and turn the first mechanical coin into the strange artifact.

The Room 4: Old Sins Foyer Walkthrough real gameplay mechanism
Real Foyer gameplay frame captured from AbillionX's complete PC walkthrough. Game artwork © Fireproof Games.View timed source
Match the room and mechanism

Confirm Foyer and the unique gameplay image before copying a dial, symbol or item route. Mobile and PC controls differ, but the core puzzle state is the same.

Route cross-checkedThe Room 4: Old Sins Foyer Walkthrough · verified 2026-09-30

Last verified: · Verification method · Report a correction

The Room 4: Old Sins Foyer Walkthrough solution

Open the dollhouse, recover the eyepiece and turn the first mechanical coin into the strange artifact.

Quick route: Repair the attic floodlight, open the dollhouse with the family crest, solve the deer arrows, then use the mechanical coin on the puzzle box.

Step-by-step walkthrough

01

Open the room route

Open the suitcase in the attic, take the screwdriver and remove its back plate. Reconnect the red coil and complete the small circuit so the floodlight points toward Waldegrave Manor.

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State and inventory checks

  • Match the named room and unique gameplay screenshot before copying a visual arrangement.
  • Keep transformed artifacts and cross-room items until the walkthrough explicitly moves them.
  • This route was cross-checked against two written walkthroughs and a complete PC playthrough.

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