Greatest Hits?

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-inch vinyl and digital editions for the European market on April 29, 2015, though this version omitted three songs due to vinyl time constraints.

The release compiles a selection of As Friends Rust recordings, hand-picked by vocalist Damien Moyal, from each of the band's main releases, spanning from the demo tape in 1996 to the initial break-up in 2002. The previously-released material contained within had appeared on The Fists of Time and the split with Discount (both 1998), As Friends Rust (1999), Won (2001) and A Young Trophy Band in the Parlance of Our Times (2002). The content showcases nearly every member the band has had over the years, including Moyal; guitarists Henry Olmino, Gordon Tarpley, Joseph Simmons, James Glayat and Christopher "Floyd" Beckham; bass guitarists Jeronimo Gomez, Kaleb Stewart and Thomas Rankine; and drummers Matthew Crum, Timothy Kirkpatrick and Zachary Swain.

In promotion of Greatest Hits?, As Friends Rust toured Japan in 2014, accompanied by Japanese hardcore groups Endzweck and Noy; it marked the band's first live performances since 2008. As Friends Rust played additional shows in 2015 and 2019 supporting the release, including performances at notable festivals like Groezrock in Meerhout, Belgium, Booze Cruise in Hamburg, Germany, and The Fest in Gainesville, Florida.