This is what we found on Wikipedia regarding the At The Top, Burj Khalifa with Café Treat:

A haunted attraction is a form of live entertainment that simulates visiting haunted locations or experiencing horror scenarios. They usually feature fearsome sets and characters, especially demons, ghosts, skeletons, zombies, monsters, possessed people, witches, serial killers, and slashers. Humorous characters may also be included.

Haunted attractions may be set up at many kinds of locations. Built attractions or existing structures in which attractions may be operated include temporarily constructed simulations of haunted houses; actual abandoned or dilapidated houses; abandoned asylums; defunct prisons; defunct or active amusement parks; defunct or active ships; defunct factories; defunct or active barns; and shopping malls. Outdoor places hosting such attractions include corn mazes or cornfields; hedge mazes; farms (often including "haunted" hayrides); wooded areas or forests; and parks.

Haunted attractions (also known as "haunts" or "mazes" within the industry) use many effects, such as intense lighting (strobe lights, black lights, etc.), animatronics, CGI, scent dispensers, fog machines, spinning tunnels, air blasters, spooky old antiques, gory images, and intense scenes of horror, terror, torment, murder, mischief, or comedy. Visitors often encounter actors in elaborate and often scary costumes, masks, and prosthetics. They may perform skits or lurk and come out unexpectedly to frighten, shock, disturb, or amuse the customer. If the horror attraction includes a storyline, it may also include a character that serves as the main antagonist in the attraction's story.

Haunted attractions typically operate from the last week of late September or early October to the last week in October or first week of November. In particular, they are especially active during the triduum of Allhallowtide. There is also a subculture of permanent haunted attractions that are open year-round, and a few that are open for special occasions, such as haunt conventions or Spring Break (also called Scream Break). Some attractions are run by charities as fundraisers.

In Japan, there is a tradition of making obakeyashiki (ghost houses) in the summertime, as fear is believed to ward off the heat by "giving you the chills". They typically feature frightening creatures from Japanese folklore, ghosts, demons, sinister crucifixes and other things that are brought to life thanks to decorations, sound effects and animatronics. A story is often told to visitors before they receive a mission that they must accomplish in the house.