Reddit Games and Puzzles Hackathon Online Create a new game or puzzle for the Reddit community! $116,000 in prizes Winners announced 1941 participants
TypingDNA Hackathon Online What would you build if you could recognize people by the way they type? $110,000 in prizes Winners announced 565 participants
Hack Tech Valley Schenectady, NY, USA Create Something Awesome! $20,000 in prizes Feb 10 – 11, 2018 165 participants