Ethan Crossfield 
A massive archive of old Steam development files has revealed an unreleased multiplayer horror prototype based on Scream. The project includes playable material featuring Ghostface, giving fans a rare look at a licensed game concept that vanished before it was publicly announced.
What happened
The discovery came from unfinished builds found in the leaked Steam archive, which reportedly contains around 12TB of material created between 2003 and 2013. The collection includes prototypes, beta versions, and other development files from Valve and third-party studios whose work apparently passed through Steam’s infrastructure.
Twitter user Roly Poly Reaper identified several builds connected to Scream. Datamined files point toward Fatshark, the developer known for Warhammer: Vermintide and Warhammer 40,000: Darktide, while the project itself appears to date from roughly 2011. Multiplayer functionality was restored with Goldberg Emulator and Radmin VPN, allowing footage to show several survivors trying to escape while another player takes the role of Ghostface.
The files do not necessarily prove that a complete, formally canceled game existed. Folder names including “Scream_Pitch” and “Screampitch_inside” indicate that this may have been an internal pitch or prototype that never received full approval. There is also no confirmed indication that the project reached a stage where a final release was planned.
Why it matters
The prototype is notable because its central format now feels familiar: multiple survivors are hunted by one player-controlled killer. That structure later became strongly associated with licensed horror games such as Dead by Daylight and Friday the 13th: The Game. If the Scream material dates to 2011, Fatshark was exploring a similar setup several years before those titles arrived.
That timing should not be treated as proof that Fatshark invented asymmetrical horror. Earlier games, including Left 4 Dead, had already experimented with opposing player roles. Still, the Scream concept appears to be an unusually early attempt to combine the survivor-versus-killer format with a recognizable horror identity.
The license could also have offered a distinctive direction. Scream is built around identity, suspicion, and deception, yet the recovered footage reportedly looks closer to a straightforward escape scenario. Some observers have questioned whether the game could have used the franchise’s mystery elements more deeply, while others have stressed that the prototype was extremely early. Both reactions underline the same point: the available build shows an idea, not the full game it might have become.
What to watch next
Further examination of the Steam archive may reveal more information about the project’s development, including additional builds, design documents, or evidence of how far the pitch progressed. For now, the available material does not establish whether Fatshark secured a complete Scream license, received approval to continue, or abandoned the idea for a specific reason.
Players should also treat restored multiplayer footage as evidence of the prototype’s potential rather than a finished product. The build survived in a state that fans could make playable more than 15 years later, but that does not confirm stability, final features, or any planned release platform. As researchers continue sorting through the archive, discoveries like this may prove more valuable than unfinished versions of already familiar games because they expose concepts that were otherwise lost to development history.
Key takeaways
- The leaked material contains an unreleased Scream multiplayer prototype with Ghostface.
- Datamined files associate the builds with Fatshark and place them around 2011.
- Restored footage shows survivors facing a player-controlled killer.
- Folder names suggest an internal pitch rather than a confirmed full production.
- The archive may still contain additional evidence about the project and other unknown games.
Expert View
The most important part of this discovery is not whether the prototype would have beaten later asymmetrical horror games. It is that Scream was being considered for a multiplayer format before the market had clearly demonstrated its potential. Fatshark’s concept may have been rough, but it connects a major horror license to a design direction that eventually became a durable multiplayer genre. The leak therefore offers more than nostalgic footage: it shows how close the industry may have come to exploring this formula earlier, and how many influential ideas can disappear before players ever hear about them.
