The pack's customization was a key feature. Using "Setvars," users could rewrite the bus's DNA without a 3D editor. With a few lines of code, a double-decker could be transformed: Adding to let in more natural light. Swapping mirrors for camera mirrors .
The file gave users control over a living machine. The "Stealth" variants had a modern front that cut through the virtual rain of the Westcountry or London maps. Inside the cab, the level of realism was notable: Masterbus Gen 3 Pack [05-11-2021].zip
As the zip file circulated, it became the foundation for hundreds of "repaints". This allowed players to recreate local bus routes in detail, from the coast of Gainsborough to London. OMSI 2 Add-On Masterbus Gen 3 Pack - Steam The pack's customization was a key feature