The phrase is a specific tag typically associated with pirated or "cracked" versions of the game. "Mogli" refers to the scene group or individual credited with bypassing the game's DRM (Digital Rights Management) to offer the game and its downloadable content (DLC) for free.
The base game of OMSI 2 comes with a few buses and one region (Berlin-Spandau). To get the full experience, players seek bundles including . A typical 13-DLC pack might include: tag omsi 2 steam edition incl 13 dlc mogli fre