The file is a compressed archive containing a multi-language version of the game M.A.C.E. (Military Alliance of Common Earth), a classic 2D space shooter developed by Entwickler-X . What is M.A.C.E. ?

: This suffix indicates a multilingual release containing two languages—typically English and one other, such as German or French.

: If you didn't download this from a known storefront, it is recommended to scan the file using a service like VirusTotal before opening it.

: A common archive format used to package the game's executable and asset files for distribution. Safety & Sources

: "MULTI2" tags are often used by repackers or scene groups to denote specific language support in a pirated or distributed release. M.A.C.E. on Steam