Fortnite‘s Halloween-themed Fortnitemares event is scheduled to end on November 4, giving you only a few more days to complete its challenges and unlock the new Dark Engine Glider if you still haven’t done so. That isn’t the only incentive to play the game this Sunday, however; it appears a once-in-a-lifetime event is slated to unfold on that day.
On the official Fortnite Twitter account, developer Epic Games teased that a “one-time event” will take place in the game on Sunday, November 4, at 10 AM PT / 1 PM ET / 6 PM GMT–the same time that the Fortnitemares event is scheduled to conclude. The developer didn’t provide any further clues as to what the event will entail, but if you want to witness it, you’ll need to log into the game and be in a match at that time in order to see it.
One-time events of this nature aren’t an unusual occurrence in Fortnite; in the leadup to Season 5, for example, players got to witness a rocket launch, which would ultimately result in a giant rift forming in the sky above the island. More recently, a lightning storm struck Fortnite’s desert earlier this summer, leaving the mysterious purple cube in its wake.
We don’t yet know what to expect from Sunday’s one-time event, but it will presumably have to do with the aforementioned purple cube, which has been a recurring source of mystery since it first appeared in the game. At the start of Season 6, it lifted a chunk of land into the sky to create a floating island, and it has since been moving around the map, leaving behind strange craters.
Fortnite’s 6.21 update was originally scheduled to roll out on October 31, but Epic delayed it to November 1 due to a “last minute issue.” In the meantime, you can find tips for completing the Fortnitemares challenges in our roundup. You can also check out our Fortnite Season 6 challenges guide for help on completing all of the new challenges Epic has released this season to date.