Slenderman Must Die: Abandoned Graveyard is another amazing installment from the sinister and creepy Slenderman Must Die series. Find it and Burn Slendermans body + Halloween Special In Halloween Special - Explore the big city and find 9 green pumpkins. The game was initially released as a standalone program and Android application in October 2017. The WebGL version was released in March 2018 and has been updated with a new version in March 2019.