A "100% save game" is a configuration file created by a player who has already completed all the major milestones in the game. In the context of Fernbus Simulator, this usually means:
Before using a Fernbus Simulator save game 100 repack, consider the following:
In-game, go to your profile and click the option until it says BETA LEVEL All Cities . Fernbus Simulator - 100% Achievement Guide [ENG]
: Your driver profile is set to the highest level, showcasing a "veteran" status.
Extract the downloaded repack save and copy the Slot1.sav (or similar) into the folder.