This tutorial by user will show us how to get FreeBSD 11 set up in a virtual machine on your Google Cloud Compute platform. The current list of available operating systems does not include FreeBSD. Follow the link below for the full set of instructions on how to get it running.

google-cloud-platform

How can I deploy or install FreeBSD version 11.x Unix operating system on the Google cloud engine? Do I need to create my own FreeBSD disk image to start with the Google Cloud Compute?

It is true that the Google Compute Engine support for Debian, Ubuntu, RHEL, SUSE, and FreeBSD Unix. However, create an instance page only display handful of operating systems as follows: …

Full tutorial: https://www.cyberciti.biz/faq/howto-deploying-freebsd11-unix-on-google-cloud/