This repository lists most of the challenges used in the Google CTF 2017. The missing challenges are not ready to be open-sourced, or contain third-party code.
IMPORTANT - All code in this repository has security vulnerabilities. These are there on purpose, and running these on real production infrastructure is not safe.
Read more about the Google CTF here: https://security.googleblog.com/2017/06/announcing-google-capture-flag-2017.html
Note this is not an official Google product