I'm a midwit so for me it's inxi.
I just tried starting it, works without issue with proton experimental. opensuse tumbleweed, Kernel: 6.4.12-1-default x86_64, Device-1: v: 4.6 Mesa 23.1.6 renderer: AMD Radeon RX 7900 XTX (gfx1100 LLVM 16.0.6 DRM 3.52 6.4.12-1-default)
As for debugging try sshing into your box and check dmesg or check the system journal.
I think some modded cars don't work with some of the modded tracks. When I tried it it was pretty random which car worked on which track.