7 Days as a Pet How to Beat Not Marnie

Not Marnie is the distorted-faced impostor sitter at the center of 7 Days as a Pet. Learning her tells is mandatory for Good Pet weeks and for half the ending list. This guide covers identification, the sneeze test, Meow/hiss deterrence, Day 6 lamp pressure, chase survival, and the endings that require you to fail those defenses on purpose.

Pair this with the character deep dive on Marnie and the day plan in Survive the Week.

Visual and behavioral tells

• Face: Not Marnie carries a distorted face compared with real Marnie. In dark rooms, do not trust silhouettes — get a light or a scratch test.
• Voice / idle: Movement can feel wrong; she loiters near unsafe sleep spots and closets.
• Scratch response: Real Marnie sneezes when scratched. Not Marnie does not give that cozy tell.
• Pressure: She pushes lap sits, treat curiosity, and staring contests that punish hesitation.

If anything feels off, create distance before you commit to sleep.

Tyler & Snowi — Not Marnie and pet gameplay reference

The sneeze test (do this daily)

1. Approach the sitter when she is idle.
2. Scratch once.
3. Sneeze = real Marnie. Affection and Best Friends routing are allowed.
4. No sneeze / wrong face = Not Marnie. Meow and hiss to drive her away, then relocate.

Scratching the post for chores does not replace this test — board credit and identity checks are different interactions (Daily Tasks).

Meow, hiss, and when silence is a strategy

• Meow/hiss is your primary deterrent. Use it when the impostor crowds you, blocks a doorway, or tries to seat you.
• Do not spam forever in co-op unless you want Noise Complaint (neighbors complain after excessive meows).
• Stay silent on purpose for Staring Contest (stare without hissing) or It Got Comfortable (never scare her away all week).
• Mixing deterrent mastery with intentional silence is how collectors swap between Good Pet and horror endings in consecutive runs.

Safe sleep vs Wrong Lap

Sleeping on real Marnie every night after Day 3 builds Best Friends. Sleeping on Not Marnie’s lap triggers Wrong Lap. Always sneeze-test before any lap sleep. Pet Pile (all pets, same spot, same night) needs a called-out safe location — do not pile onto an unverified lap.

End-of-week choice: picking Not Marnie yields Wrong Marnie. When the finale prompt appears, slow down.

Day 6 — relight the lamps

Day 6 shifts the house into a lamp hunt. Darkness favors Not Marnie. Practical plan:

1. Finish as many chores as possible while lights still help.
2. Split floors in co-op: one pet upstairs/attic, one main floor, one garage/yard if Update 4 areas are open.
3. Relight every required lamp before committing to long sleep animations.
4. Keep Meow ready while moving between rooms.
5. Do not tunnel into comedy props (dryer, microwave) mid-hunt unless you accept ending detours.

Cat jump helps attic lamp lines; dog sprint helps long hallway resets — see Cat vs Dog.

Chase survival

When Not Marnie starts a chase:

• Break line of sight around furniture; do not sprint in a straight hallway forever.
• Avoid dead ends near toilets on late days.
• Getting caught can resolve as Tag You’re It or escalate toward Hollowed Out if the monster catch condition applies.
• Helpers that auto-path during chases often warp you into her — disable teleports (Survival Helper).

Endings centered on Not Marnie

Ending	Impostor-related trigger
Best Friends	Sleep on real Marnie every night after Day 3
Wrong Lap	Sleep on Not Marnie’s lap
Wrong Marnie	Pick Not Marnie at the end choice
Staring Contest	Stare without hissing
It Got Comfortable	Never scare her away
Treat Time	Follow night treat bag rustle
Follow The Dot	Follow floor dot into bedroom closet
Tag You’re It	Get caught during her chase
Hollowed Out	Let the monster catch you
Good Pet / Okay Pet	Survive with correct scares and chore discipline

Full catalog including non-impostor comedy endings: All Endings. Farming order: Endings Tier List.

Night treat bag rule

The 3AM treat bag rustle is a deliberate fork. Ignore it for safe Good Pet weeks. Follow it when you want Treat Time. Night helper scripts that auto-loot will steal that choice — turn them off.

Co-op calls that save lobbies

• “Sneeze confirmed” / “Not Marnie, hissing” in chat or voice.
• Mark safe sleep furniture for Pet Pile.
• Assign lamp rooms on Day 6.
• Ban random Meow spam unless Noise Complaint is the group goal.

Practice routine (15 minutes)

1. Join a low-stakes server.
2. Scratch every sitter spawn you see.
3. Practice one Meow/hiss disengage without dumping the whole voice bar.
4. Walk a mock lamp path with lights intentionally off.
5. Sleep only on verified spots.

Once the sneeze test is automatic, the rest of the week becomes routing and endings. For chore uptime during impostor pressure, return to Daily Tasks. For beginner controls, revisit Getting Started.