PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 25176 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7044 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46668 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3062 participants
Creator Colosseum Startup Competition: Student Founders. Real Startups. Online Bring your startup idea to reality with professional feedback and mentorship for top 10 ideas, as well as $500+ in total cash prizes $575 in prizes Winners announced 586 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8337 participants
APOGEE GameJam 2026 Online At APOGEE 2026 by Postman x BITS Pilani: Don’t play the hero—design the system. Shape the world from the shadows and show how logic and power can quietly rewrite destiny. ₹ 60,000 in prizes Winners announced 220 participants
Frostbyte Hackathon Online Shaping the Future of Technology & AI Non-monetary prizes Winners announced 1009 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13402 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2976 participants
Play Everywhere: The Build with Snap Games Lensathon Online Build a Game for Snapchat Using Lens Studio $30,000 in prizes Winners announced 1032 participants
Sustain-a-thon Online Create an app, device, or game to spread awareness about climate issues! $300 in prizes Winners announced 138 participants
AETHRA GLOBAL PITCHATHON 2025 Online Begin your Journey to Real Impact … Non-monetary prizes Winners announced 195 participants
Launchly Project Sprint Online Real world initiatives, now open-sourced. $450 in prizes Winners announced 233 participants
BatchHacks (Students Only; Open-Ended) Online Create any project that delivers real-world impact. Using AI is preferred, however it is not a requirement. Students only, please. Get feedback from over 30 industry professionals Non-monetary prizes Winners announced 1291 participants
Hoobit International Ideathon Online A global stage to map problems, shape ideas, and drive impact. Non-monetary prizes Winners announced 500 participants
Rift Rewind Hackathon Online Your Season, Your Story — League API + AWS AI Services $26,000 in prizes Winners announced 2629 participants
Meta Horizon Creator Competition: Mobile Genre Showdown - Reloaded Online Compete for up to 35 prizes, with a top prize of $200,000 per genre and a total prize pool of $2,500,000 $2,500,000 in prizes Winners announced 1685 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1924 participants
Plotly Analytics Vibe-a-Thon Online Create a data app with a dataset and Plotly Studio $1,750 in prizes Winners announced 1471 participants
Snap AR Lensathon - Gamathon 25 Online Create the future of interactivity now !!! Dream It - Build It! $2,000 in prizes Winners announced 77 participants
RevenueCat Shipaton 2025 Online Ship apps and start making money. $355,000 in prizes Winners announced 53591 participants
Venture313 2025 AI Buildathon Detroit, MI, USA Detroit's Biggest AI Hackathon $17,500 in prizes Sep 19 – 23, 2025 92 participants
