Tim Sweeney Retweets Fortnite UEFN Custom Game Video

Tim Sweeney retweeted a post by @CooliSushi that shows a video of advanced custom gameplay in Fortnite. The post states "What we can build in Fortnite now is insane" and carries the hashtags #UEFN and #Fortnite. The linked video demonstrates features from a player-created title described as Aetheria. Sweeney added no further text to the retweet. The original post and video remain the only direct sources cited in the packet.