Invokyr Corridor Key: Attic Safe (091387)

Last updated: 2026-10-29

Corridor Key: The Short Answer

The Corridor Key is inside the safe in the secret room above the game room ceiling, and that safe takes the six-digit code 091387.

What the key does:

• It opens one locked door in the story corridor — the door across from the shop.
• The corridor itself has several doors, but only one is interactable and locked: Henry’s Bedroom.
• Getting that far requires this key first. It is the gate, not the reward.

So the order is fixed: reach the attic room → open the safe with 091387 → take the Corridor Key → unlock the corridor → then you are standing in front of Henry’s door with a different problem.

Where the attic safe actually is

Not in the attic. Above the game room ceiling.

The room is reached by platforming inside the game room — climb the furniture and the room geometry rather than looking for a stair or a hatch. Inside you find three things:

1. Empty drawers (so you are not missing loot if they are bare)
2. A newspaper clipping
3. A safe with a six-digit lock

If you have been searching the upstairs bedrooms for a key, that is the wrong wing entirely. This is an interior-of-the-game-room puzzle, not a manor-wide hunt.

Why 091387 is the code

The safe’s code is not arbitrary and it is not a date you guess from a vibe — it is printed, in pieces, in the manor:

The clipping gives you the day and the weekday; the yearbook pins the year. That is the whole cipher. Full derivation, plus what happens if you mistype: Invokyr Safe Code.

What the key opens, precisely

Walk into the story corridor and it looks like a dead end of choices — several doors, no clear path. Only one door is actually locked and interactable, and it is the one across from the shop.

Two consequences worth knowing before you go:

• The other doors are not puzzles. If a door in that corridor does not respond, stop trying it — there is one locked door, and it takes this key.
• The key is consumed by its purpose, so do not hoard it. Carrying it through the run gains nothing; the corridor is where it belongs.
• Sprint noise alerts patrolling predators. Moving between the game room and this hallway requires audio caution; sprinting draws nearby entities into pursuit (review our Invokyr monsters guide for corridor acoustic detection thresholds).

Behind that door is Henry’s Bedroom, which is its own locked sequence — the key to that door is a separate item from a separate puzzle. See Henry’s Bedroom Key.

Door Across From the Shop vs Henry’s Bedroom Door

Community discussions (notably international Steam players asking about the Код от сейфа sequence) frequently confuse the corridor entrance door with Henry’s Bedroom door. Because both doors require separate keys, players often mistake one lock for the other:

Attempting to use the Corridor Key on Henry’s Bedroom door will not work; the Corridor Key only unlocks the outer green door across from the shop. Once inside the corridor, you must obtain Henry’s Key from the dining room fireplace vault to open his bedroom.

Two-key chain, in order

This is the part that wastes the most runs, so here it is as a checklist:

1. Game room → platform up into the ceiling room
2. Attic safe → type 091387 → take the Corridor Key
3. Story corridor → unlock the door across from the shop
4. Dining room → place an idol on the Money Man’s table setting → hidden lock appears
5. Dining-room lock → type 071476 (Henry’s birthdate) → fireplace opens
6. Vault behind the fireplace → take Henry’s bedroom key from the statue pedestal
7. Back to the corridor → unlock Henry’s door

Steps 4–6 are a separate puzzle chain that does not require the corridor key. You can do them in either order — but you cannot finish the corridor without step 2.

When it goes wrong

Related puzzle pages

• Invokyr safe code — how 091387 is derived, and the safe it belongs to
• Henry’s Bedroom Key — the vault, the 071476 lock, and the door this key unlocks
• Secret room — the ceiling room itself and what else is up there
• Invokyr monsters guide — stealth evasion rules and sound mechanics when navigating manor corridors
• All keypad codes, safes and lockers — every container in one table

Frequently Asked Questions

Where do I find the Corridor Key in Invokyr?

Inside the safe in the secret room above the game room ceiling. Reach that room by platforming within the game room, then open the six-digit safe.

What is the code for the safe that holds the Corridor Key?

091387 — September 13, 1987 as MM/DD/YY, assembled from the newspaper clipping (Sunday the 13th) and the yearbook marked “A new beginning - ‘87”.

What does the Corridor Key open?

The single locked, interactable door in the story corridor — the door across from the shop. The corridor’s other doors are not puzzles.

Does the Corridor Key open Henry’s Bedroom?

No. It gets you into the corridor that contains Henry’s door. Henry’s Bedroom needs a separate key found in the vault behind the dining-room fireplace.

Can I reach Henry’s Bedroom without the Corridor Key?

No. The corridor is key-gated, and the corridor key comes from the attic safe. The two puzzles are independent in effort but sequential in effect.

Is the Corridor Key the same as Henry’s bedroom key?

No — two different items from two different puzzles. This one comes from the attic safe (091387); Henry’s comes from the vault behind the fireplace (071476).