Petscop began in 2017 as a YouTube series presented as footage of a supposedly unfinished 1997 PlayStation game, following a player exploring increasingly disturbing areas including a house. Its quiet sound design and unexplained voices helped it spread in analog horror and gaming communities, where clips are still shared for lore videos and edits. The house voices remain popular alongside other horror game audio like the FNAF Jumpscare Scream, because both rely on sudden unease rather than explanation, keeping the mystery that made Petscop distinctive online.