Supplementary Information A Collecting Internet Data A.1 Initial Unclean Dataset Curation

Our goal was to curate a video dataset of Minecraft gameplay from the survival game mode. Minecraft Survival game mode that include such visual artifacts. Please help us identify screenshots that belong only to the survival mode in Minecraft. Survival mode is identified by the info at the bottom of the screen: a health bar (row of hearts) a hunger bar (row of chicken drumsticks) a bar showing items held Survival Mode V alid survival mode videos have health/hunger bars and an item hotbar at the bottom of the screen. Creative Mode Creative mode only has an item hotbar and should be classified as None of the Above .