47 teams competed in the Cloudstock Hackathon, with Blaine Schanfeldt winning the grand prize for his real-time multiplayer game "Twilio Tic Tac Toe". The judging panel awarded four house prizes and several prizes for API usage, including two winners who used Twilio. The hackathon also recognized entries that showcased creative uses of other APIs and platforms such as MongoDB and Rackspace's open source cloud services.