way to play the very early versions of beamng/maps used in dev videos

1. so i was just wondering if theres a way to play the earliest version of beamng to compare the physics from then to now.

2. also was just wondering what are the maps used in some videos for cars like the ETK800 and Miramar?
pics from the videos:
View attachment 130498 View attachment 130499 View attachment 130500 View attachment 130501
any answers are appreciated