Both shows will get their own Halloween Horror Nights Haunted House at Universal’s Orlando and Hollywood parks, opening in September.

Source: https://www.mycentraloregon.com/2023/07/14/universal-parks-letting-visitors-dive-into-stranger-things-season-4-halloween-horror-nights-haunted-house/

Despite those initial obstacles, the movie might be more popular now than ever, as tie-in merchandise at Spirit Halloween, a haunted attraction at Universal Studios' Halloween Horror Nights, and a new video game have revived interest in the concept.

Source: https://comicbook.com/horror/news/killer-klowns-from-outer-space-miniseries-hopes-plans-future-stephen-chiodo/

It has also collaborated with filmmakers like Jason Blum, Jordan Peele and James Wan to bring more modern horror films to life during Halloween Horror Nights, which began 32 years ago at the Orlando theme park.

Source: https://www.pressenterprise.com/2023/10/18/universal-horror-unleashed-will-take-up-permanent-residence-in-las-vegas/

The Halloween Horror Nights experience coming to Las Vegas could be expanded to a number of locations around the world, Shell said on the call.

Source: https://www.dailynews.com/2023/02/01/universal-studios-to-expand-regional-theme-park-concepts-in-u-s-and-worldwide/

Then of course haunt season was held down by Universal Studios Halloween Horror Nights on both coasts.

Source: https://gizmodo.com/io9s-2022-year-in-review-lists-in-one-handy-place-1849944517