Because Update 1.1 added the infrastructure for DLC, it effectively "unlocked" the ability for players to access the following: Legacy Protagonists: You can recruit main characters from Metal Max 1 as playable party members, including: Hunter (MM1) Ken & Rena (MM2) Drumcan & Cola (MM3) Iconic Vehicles: Classic tanks from the series became available, such as the (Desert Camo version) and various bikes like the Pochi Tricycle Throwback Costumes: A set of 13+ costumes from Metal Max 3