Updated July 2026

Visual Anomaly Tells (Window Layer)

Why the Window Check Comes First

The reception window is the first verification layer in Night At The Infirmary. Before you snap a photo or open the CCTV monitor bank, you inspect the live human patient standing outside the infirmary glass. Visual tells are anomalies you can spot with your own eyes — no equipment required — and they are often the fastest reason to reject a visitor before wasting time on later layers.

That does not mean you should skip photo and CCTV after a clean window scan. Beta reports under UPD 1 consistently show patients who look normal at the window yet fail the print or camera layers. Treat the window check as your first filter, not your only filter. When a visual tell is confirmed, you may reject immediately with the shutter button, but veterans still complete the full loop when shift timing allows for practice and sanity safety.

This page lists every major visual tell category documented in community beta play. Pair it with photo tells and camera tells for the complete three-layer picture, and use the detection guide for step order.

Eyes and Facial Tells

The face is where most window-layer anomalies first appear. Human patients should have two symmetric eyes with normal pupil placement, human teeth when they speak or smile, and skin that reacts to the porch light consistently. Scan slowly left to right across the face before checking body proportions.

  • Hollow eyes — Sunken or empty sockets with no healthy reflection. One of the most common early-night tells.
  • Three eyes or wrong count — An extra eye on the forehead or cheek, or a missing eye that the patient tries to hide with hair or shadow.
  • Misaligned pupils — Eyes placed too wide, too narrow, or at different heights. Compare to how real students look under the same lighting.
  • Unnatural grin — Smile that stretches too wide, stays fixed too long, or does not match the patient's claimed mood.
  • Sharp or layered teeth — Teeth too long, too pointed, or too numerous when the patient opens their mouth to speak.
  • Skin tone mismatch — Patches of wrong color, waxy texture, or features that look painted rather than organic.

Zoom carefully using mouse scroll at the window focus mode described on our controls page. Lighting gets dimmer on later nights, so slow pans matter more than quick glances.

Body Proportions and Movement

Visual tells extend below the neck. Anomalies often get the face almost right but fail on limb length, posture, or how the body moves while waiting at the window.

  • Proportion errors — Head too large or small for the torso, arms that hang at wrong angles, or legs that look too long for the claimed height.
  • Complete stillness — Patient frozen while claiming nervousness or shifting weight verbally. Real humans micro-adjust even when trying to stand still.
  • Twitching limbs — Jerky fingers, snapping neck movements, or spasms that do not match normal anxiety.
  • Head tracking — Head rotates to follow your position at the window even when the body faces forward. Suggests wrong awareness or non-human tracking.
  • Wrong clothing fit — Uniform or visitor clothes that clip through the body, float off shoulders, or do not match school infirmary dress codes for the shift.

Watch the patient for several seconds before calling the window check complete. Some tells only appear after a idle animation cycle. If movement feels wrong but the face looked clean, continue to photo and CCTV — see the master list on all anomaly types.

Recommended Window Scan Order

Experienced players use the same scan pattern every patient to avoid skipping regions under pressure. Night At The Infirmary does not reward random glances; it rewards systematic inspection.

  1. Eyes — Count, spacing, hollow sockets, pupil alignment.
  2. Mouth and teeth — Ask them to speak if the game prompts; watch for sharp or excessive teeth.
  3. Ears and hairline — Wrong ear shape often foreshadows photo or camera mismatches later.
  4. Neck and shoulders — Proportion and stillness checks.
  5. Hands and posture — Twitching, tracking, and limb length.
  6. Overall silhouette — Compare against porch light; wrong shadows can reveal extra limbs.

Log mental notes before leaving window focus. You will compare these observations against the photo print and CCTV feeds. The anomaly checklist tool mirrors this order if you want an external reminder during early shifts.

When Visual Tells Mean Reject

Any confirmed visual tell is sufficient grounds to reject. You do not need the photo or CCTV to agree — if you see hollow eyes or three eyes at the window, hit the shutter reject button near reception and close the security barrier. Wrong admits end shifts; a correct reject on a clear visual tell is always the right call.

When the window looks ambiguous — maybe bad lighting or a nervous student — do not reject on guesswork. Complete the photo and camera layers, then decide. The reject patients guide covers timing and false-positive consequences.

Return to the anomalies hub for links to every layer, or continue to photo tells for the next step in the inspection loop after a clean window pass.

Related Guides

Frequently Asked Questions

What is the most common visual tell in Night At The Infirmary?

Hollow eyes and unnatural grins appear frequently in early beta nights. Wrong teeth and head tracking increase on later shifts.

Can I reject based only on the window check?

Yes, if a visual tell is clearly confirmed — hollow eyes, wrong eye count, sharp teeth, or obvious proportion errors. Skip photo only when you already plan to reject.

Should I still take a photo after a clean window scan?

Yes. Photo-only and camera-only anomalies are common. The window check is the first layer, not the only layer.

How do I inspect the window properly?

Press E at the reception glass to enter focus mode, then scan eyes, mouth, ears, body, and movement slowly. See the controls page for key binds.

Do visual tells appear on every anomaly patient?

No. Some entities look normal at the window and fail only on photo or CCTV. That is why all three layers are mandatory.