dark coaster
n.— «“The Dark Knight,” the ride, is atypical in a number of ways. It is what is known as a “dark coaster,” which means its twists, turns and drops are all indoors.» —“Newest coaster weak on thrills” by Steve Penhollow Journal Gazette (Fort Wayne, Indiana) June 6, 2008. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
If you need another word for the infinity symbol, there’s always leminscate, from a Greek word meaning “ribbon” or “bow.” This is part of a complete episode. Transcript of “Leminscate” If you need a term to describe the shape of the infinity symbol...
A “dark ride” is a British indoor ride, usually “educational” rather than thrilling, such as the Whisky Heritage Centre (Edinburgh) or the Oxford Story.