While OMSI 1 laid the foundation, its successor, OMSI 2, introduced articulated buses and expanded the timeline to include the fall of the Berlin Wall. However, many veteran "busmen" still look back at the original 2011 release as the pure spark that ignited the modern transit simulation genre.
While the base game included only two bus variants (single and double door) and one district of Berlin, the real OMSI 1 experience came from the community. The game was built on an open engine (using DirectX 7), which was obsolete even in 2007. Yet, this simplicity allowed modders to rip it apart and rebuild it. omsi 1
Since OMSI 1 is a highly realistic simulator, the original manual is essential for understanding the keyboard layouts and deep systems (likeIBIS ticket machines and manual gearbox synchronization). While OMSI 1 laid the foundation, its successor,