Reddit Games and Puzzles Hackathon Online Create a new game or puzzle for the Reddit community! $116,000 in prizes Winners announced 1941 participants
Google Photorealistic 3D Maps Challenge Online Build a new dimension of web experiences with 3D Maps for JavaScript developers $26,000 in prizes Winners announced 1739 participants
Motor City Hack on Mobility, Health and Well-being Detroit, MI, USA Leveraging Location for Community Well-being Non-monetary prizes May 4 – Dec 15, 2022 49 participants