A teaser featuring Seeker, Stalker and Screamer (It should be noted that this particular teaser was not meant for 1999, but features the same designs used in the game.)
Another teaser featuring the Seeker
A teaser featuring the Workshop
A teaser featuring the Foggle Friends poster
A teaser featuring one of the vents
A teaser featuring a Doll house
A teaser featuring an OTORI
A teaser featuring the Living Room area
A teaser featuring the Shed
A teaser featuring the Forest
A teaser featuring a wanted poster
Early development screenshot of Screamer's implementation in SMS 1999, in which Screamer incorrectly used Seeker's skeleton
Screamer's model at an angle to better see his ears (Note that something is behind Screamer's head.)
All of the Demon models lined up together to display height
The same height comparison but with Nightmare's model length being measured head to tail compared to Stalker (Note: Both height comparisons shows something either inside of Nightmare or behind him below his chin)
The Seeker, Stalker, and Screamer compared to the height of a human
The Roster for Slaughter Me Street: 1999
The Game's previous banner on GameJolt and Itch.io featuring the Follower
The Game's Current Banner on GameJolt and Itch.io Featuring the Seeker
The old control layout Pre-Demo 1.07
The current Control layout from Demo 1.07 onwards