: Early versions and the prologue have faced criticism for poor optimization and bugs that can break the experience, such as glitchy tutorials or tricky mouse-based knob controls.
: The lack of in-depth documentation for complex safety systems can be a barrier for new players who aren't already familiar with real-world rail operations.
: While the demo showed some optimization issues and flickering, the final environments—built on geodetic data —are often described as "stunning" and more immersive than artistic interpretations found elsewhere.