Attempts to trace the creator have led to dead ends. However, three theories dominate the online discourse:
If you enjoyed this deep dive, check out our other posts on "The Backrooms Phenomenon" and "The Curious Case of the Cicada 3301 Puzzles." 378. Missax
Let’s open the vault. At its simplest, "378. Missax" refers to a short, high-definition video file—typically lasting between 4 and 7 minutes, depending on the version. The file is notable for its clinical, almost forensic aesthetic. Attempts to trace the creator have led to dead ends
The video is shot with a static, tripod-mounted camera in a single, unbroken take. The setting is a minimalist, sterile room: white walls, a single wooden chair, and a large window showing an overcast, indistinct sky. The protagonist (often referred to as "Subject 378") is a woman in her late 20s wearing a plain grey dress. She does not speak. She stares directly into the lens for the first 90 seconds without blinking. The setting is a minimalist, sterile room: white
Unlocking the Vault: The Mystery and Allure of "378. Missax"
At precisely 2 minutes and 30 seconds, the woman smiles. Not a happy smile—a slow, asymmetrical, knowing smile. She then leans forward, picks up a piece of chalk, and writes "378" on the floor in front of her. She then writes "Missax" below it. For the remaining time, she erases the letters one by one, starting with the 'x'. The video ends mid-erasure. The Origin Mystery: Who is Missax? The biggest question is the creator. There is no credit, no watermark, no metadata. The earliest known upload of "378. Missax" appeared on a now-defunct Vimeo account named _void_ on March 7, 2018 (3/7/18—note the 378). The account had only this one video. The description field was blank.