Egon Spengler exhausting trek up the stairs of 55 Central Park West. While in the alternate dimension of the library, Egon is heard to groan, "Oh no," and when Ray asks if he saw something scary, Egon replies, "Stairs, lots of stairs". Before the "Return to Sedgewick Hotel" mission, Stantz comments that Spengler was once a coroner, to which he replied that he maintains interest in the subject as a hobby. Spengler appears in Beeline's "Ghostbusters" game for iOS alongside his niece, Michelle Ying. The game was released on January 24, 2013. Spengler appears in "Lego Dimensions", with archival audio of Harold
Oswald Spengler while Karl Popper called the thesis "pointless". The great historian of antiquity Eduard Meyer thought highly of Spengler, although he also had some criticisms of him. Spengler's obscurity, intuitionalism, and mysticism were easy targets, especially for the Positivists and neo-Kantians who rejected the possibility that there was meaning in world history. The critic and aesthete Count Harry Kessler thought him unoriginal and rather inane, especially in regard to his opinion on Nietzsche. Ludwig Wittgenstein, however, shared Spengler's cultural pessimism. Spengler's work became an important foundation for the social cycle theory. In late 1919, Spengler published "Prussianism and Socialism" ("Preußentum und