I spent some time over the weekend participating in Google's first CTF. There were 15 web challenges total with a large emphasis on Cross-Site Scripting and a few related to Google tech/products. I put together some write-ups on the challenges I was able to solve.

Web 1 - Wallowing Wallabies - Part One
https://buer.haus/2016/05/01/google-ctf-web-1-wallowing-wallabies-part-one

Web 2 - Wallowing Wallabies - Part Two
https://buer.haus/2016/05/01/google-ctf-web-2-wallowing-wallabies-part-two

Web 3 - Ernst Echidna
https://buer.haus/2016/05/01/google-ctf-web-3-ernst-echidna

Web 4 - Dancing Dingoes
https://buer.haus/2016/05/01/google-ctf-web-4-dancing-dingoes

Web 5 - Wallowing Wallabies - Part Three
https://buer.haus/2016/05/01/google-ctf-web-5-wallowing-wallabies-part-three

Web 6 - Purple Wombats
https://buer.haus/2016/05/01/google-ctf-web-6-purple-wombats

Web 7 - Spotted Quoll
https://buer.haus/2016/05/01/google-ctf-web-7-spotted-quoll

Web 8 - Global CTF
https://buer.haus/2016/05/01/google-ctf-web-8-global-ctf

Web 11 - Flag Storage Service
https://buer.haus/2016/05/01/google-ctf-web-11-flag-storage-service

Web 12 - FSS - Electric Boogaloo
https://buer.haus/2016/05/01/google-ctf-web-12-fss-electric-boogaloo

Web 15 - Horton Hears a Who!
https://buer.haus/2016/05/01/google-ctf-web-15-horton-hears-a-who