PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Winners TBD 35830 participants
Rift Rewind Hackathon Online Your Season, Your Story — League API + AWS AI Services $26,000 in prizes Winners announced 2506 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1739 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 1738 participants
