Being an older build, it runs significantly better on legacy hardware than the current version. However, BeamNG Documentation
The string "igg-beamng.drive.v0.5.5" typically refers to a specific pirated version of the game BeamNG.drive igg-beamng.drive.v0.5.5
In short, , capturing the introduction of many beloved physics features and the iconic Utah map. It’s a historically significant version, but playing it today means forgoing a decade of performance optimizations, vehicles, maps, and major physics improvements found in v0.38. Being an older build, it runs significantly better