| Description | Nervous system |
|---|---|
| Signature | Pulse (causing isolated disturbances) |
| Feature | Corpse smell |
| Sighting | That part of the woods no one visits |
Generate anomalies
| Description | Night hag |
|---|---|
| Signature | Wave (multiple civilians agitated) |
| Feature | Dreadful illusions |
| Sighting | College campus on a party night |
| Description | Polyhedron |
|---|---|
| Signature | Breach (time-space sinkhole) |
| Feature | Blood in stool |
| Sighting | Across the tracks in a subway tunnel |
| Description | Nervous system |
|---|---|
| Signature | Wave (multiple civilians agitated) |
| Feature | Unnatural vomit |
| Sighting | Stalking apartment complex halls |
| Description | Inhuman clown |
|---|---|
| Signature | None (reason unknown) |
| Feature | Alien flashbacks |
| Sighting | Living in someone's walls |
| Description | Floating eyeball |
|---|---|
| Signature | Breach (time-space sinkhole) |
| Feature | Unnatural vomit |
| Sighting | Moving about in a warehouse |
| Description | Vanishing hitchhiker |
|---|---|
| Signature | Wave (multiple civilians agitated) |
| Feature | Disappearances |
| Sighting | High school halls on a summer night |
| Description | Radiation stain |
|---|---|
| Signature | Blip (briefly sighted) |
| Feature | Losing hair |
| Sighting | The dark center of a quiet cornfield |
| Description | Night hag |
|---|---|
| Signature | Breach (time-space sinkhole) |
| Feature | Lost time |
| Sighting | A nowhere highway dive bar |
| Description | Sentient equation |
|---|---|
| Signature | Spike (large-scale anomalous zone) |
| Feature | Corpse smell |
| Sighting | The wild beyond a small village |