Hello. Does anyone know where I can find the many vehicles for topspeed3 that are compressed in a .zip file?

Go to agarchive.net. From there go to the developer listings, and you'll find topspeed. You should be able to download what you want from there.

Thanks.

If you want drive on cat sure xD
I was really bored in 2017 when we played Topspeed a lot :D.
https://tdprograms.ovh/pfiles/catcar.zip
Also here's some crappy tracks:
https://tdprograms.ovh/pfiles/top-speed-3-pack-of-tracks.rar

Thanks. I also wanted to play with topspeed yesterday afternoon because I was very bored.