Greatest Hits? is a compilation album by American melodic hardcore band As Friends Rust. It was originally released on compact disc by Japanese record label Cosmic Note on June 4, 2014. Indonesian record label D'Kolektif released the compilation on compact cassette on December 27, 2014. Dutch record label Shield Recordings re-issued the compact disc and issued a 12" vinyl edition for the European market on April 29, 2015, though this version omitted three songs due to vinyl time constraints.