According to archived Reddit threads from r/KendrickLamar (searchable via "DAMN zip exclusive reddit"), the digital bundle included:
Released on December 8, 2017, this is the most prominent "exclusive" version of the album.. The Concept: It features the original 14 tracks but in reverse order , starting with "DUCKWORTH." and ending with "BLOOD.". Narrative Shift: kendrick lamar damn zip exclusive