This should be one of the better mazes at HHN Hollywood 2021. As pointed out by others, the Behind the Scenes photos show they are using Black Hallwayz for transitions.
I think a interesting note to think about is how much Hollywood promotes the Slash partnership they have with their Universal Monsters mazes. I think some of the original music Slash created for the Universal Monsters maze in 2018 is great, but it feels like Hollywood is beating a dead bush when they talk about their original music. Orlando did not promote the quality their Universal Monsters: The Bride of Frankenstein Lives house soundtrack. However, one of Orlando's versions biggest strong points of their Universal Monsters: The Bride of Frankenstein Lives house is the soundtrack featuring non-original music.