| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Alien Device: Machinations from Beyond | Neutral | Asset | Lead. Extraterrestrial. | Murder at the Excelsior Hotel 28 | Alien Interference 1 | ||
| Otherworldly Meddler: Presence from Beyond the Stars | Mythos | Enemy | Monster. Mi-Go. Elite. | Murder at the Excelsior Hotel 29 | Alien Interference 2 | ||
| Encephalon Signal | Mythos | Treachery | Hazard. | Murder at the Excelsior Hotel 30 | Alien Interference 3-5 |