This meme is making the rounds. Naturally people are going "this isn't real". Well, I can't attest how much Musk was inspired by the original, but Internet Archive lets you play the PC and Apple versions in browser:
https://archive.org/details/msdos_shareware_fb_CARBUILD (PC Version)
https://archive.org/details/CarBuilder4amCrack (Apple II Version)
@textfiles oh, hey, that's @BoozyBadger