Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14088 participants
BUILD Halloween Hacks Online Join the BUILD Halloween Hacks this October 1-October 31, 2025 for a spooky community hackathon! $9,717 in prizes Winners announced 224 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 1925 participants
Eurekathon 2025 Online A 5-week global innovation challenge blending science fairs and hackathons. Research or code your way to innovation across multiple STEM tracks! Code, research and win prizes! $35,774 in prizes Winners announced 232 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2721 participants
Hacktivism II Online Driving innovation, creating solutions: coding for a brighter future $55,457 in prizes Winners announced 866 participants
EduHacks AI Fest 2025 Online Build Educational AI Tools That Actually Help. $22,500 in prizes Winners announced 429 participants
AI Agent Competition by Open Mobile Hub Mountain View, CA, USA Join us for an AI Agent Competition, with over $15,000 in prizes! $18,500 in prizes Sep 8 – Oct 11, 2025 293 participants
Baseline Tooling Hackathon Online Accelerate availability of modern web features $10,000 in prizes Winners announced 2917 participants
LUMA Startathon: Pitch your startup, win $1000 cash! Online LUMA is hosting our first Online Startup Hackathon competition, winning team gets $1000 USD cash. Yes $1000 cash, not $1000 worth of meaningless subscriptions. joinluma.org $1,000 in prizes Winners announced 126 participants
IEEE OC Computer Society AI Dev Hack 2025 Online Building the Future: AI-Powered Tools for Real World Impact $1,752 in prizes Winners announced 1516 participants
The Syrotech MVP Hackathon 2025 Online Whether you're a student, pro, night coder, or weekend romantic if you've got a slick web app MVP (new or old), this is your moment to show off. Non-monetary prizes Winners announced 438 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9942 participants
DVHacks (For All Ages, August 30th-September 7th, Participation Prizes and more) Online Join us for a week of coding where you can use your skills to solve real world problems! $16,363 in prizes Winners announced 225 participants
Code Rush Online Innovate with Purpose. One Hack at a Time ! $2,500 in prizes Winners announced 317 participants
NovaSpark Pitch Competition Online We’re giving high school innovators the tools, mentorship, and stage to launch their boldest startup ideas. Submit your pitch. Get feedback from real founders. Build what matters. $1,500 in prizes Winners announced 155 participants
Bay2BayHacks 2025 Online Develop an AI-based app that contributes to societal betterment. $57,524 in prizes Winners announced 543 participants
PeddieHacks 2025 Online A 48-hour virtual hackathon - by students, for students. $950 in prizes Winners announced 232 participants
T20DSAChallenge Online Win exciting refferals and Mentorships Non-monetary prizes Winners announced 40 participants
FusionHacks 2 Online Dive into a month-long summer of innovation where Ideas Bloom and Shine! $300 in prizes Winners announced 935 participants
