Nightmare Before Bloxtober is a sponsored event that began on October 3, 2017, and ended on October 16, 2017. This event sponsors the new movie, Thor: Ragnarok. It features three games and six prizes, three of which are sponsored, and three of which are Halloween themed. The event features a grand prize. Korg's Mask must be obtained by getting all six of the normal items. This event's grand prize was awarded on October 19, 2017.
RobloxSponsorships and Events(v·e) As of May 16, 2019 events have been replaced with "Developer Events". More information can be found here. Promotional events, real life events, and other official Roblox events will still be posted here.