https://www.gamespot.com/articles/cuphead-sells-over-1-million-copies-already-on-pc-/1100-6454062/ >The wait for Cuphead was a long one, first being featured during Microsoft's E3 press conference in 2014--at which point it had already been in development for several years. Despite being on the market for just two weeks so far, the ultra-difficult action game has already reached a major sales milestone.