A .rar file is a compressed archive format, similar to a .zip file, which contains one or more files. When users look for "Child.of.Light.v1.0.31711 -2-.rar", they are likely looking for a pre-packed version of the game.
The appeal of such versions can be attributed to several factors: Child.of.Light.v1.0.31711 -2-.rar
: A compressed file format created by WinRAR, used to reduce file size for easier downloading and archiving. Why Do Specific Builds Matter? similar to a .zip file