Garage Inc.
It includes recorded cover versions of other artists' songs, all of their b-side covers released up to that point, and the entire The $5.98 E.P.: Garage Days Re-Revisited, which had gone out of print since its original release in 1987. The title is a combination of Garage Days Re-Revisited and their song Damage, Inc.  Over 5 million copies have been sold in the US as certified by the RIAA.