Who was the hashtag killer from the psych game?

The hashtag killer from the game "Until Dawn" is a character named "The Psycho," also known as "The Stranger." He is a mysterious antagonist who uses social media to taunt and manipulate his victims, driving the narrative's tension. His identity is revealed as the game progresses, showcasing the impact of technology on Horror and the characters' fates. The hashtag killer serves as a chilling reminder of how digital footprints can lead to real-world consequences.