Several outlets have published lists of top films, with some focusing on specific genres such as time travel or disaster movies, while others have compiled more general lists of the best films of 2012 or the 21st century. The number of films included in these lists varies, ranging from 10 to 100, and some outlets have ranked their selections. The lists appear to cover a range of time periods and film categories, with some focusing on specific regions, such as indian movies.