Cal Hacks 6.0 Berkeley, CA, USA The world's largest collegiate hackathon! $39,020 in prizes Oct 25 – 27, 2019 619 participants
Twitch Dev Jam 2019 Online Build a game-matched Extension and compete for $60k in cash prizes $60,000 in prizes Winners announced 591 participants
TwitchCon Hackathon 2019 Presented by Major League Hacking San Diego, CA, USA Team up and bring a Twitch Extension to life in 24 hours! $3,000 in prizes Sep 28 – 29, 2019 114 participants
Twitch AWS Extensions Challenge Online Build an Extension that fuels the Twitch community $26,500 in prizes Winners announced 665 participants
HackDavis 2019 Davis, CA, USA UC Davis's premier hackathon for social good $10,810 in prizes Feb 9 – 10, 2019 320 participants
SB Hacks V Isla Vista, CA, USA #makewaves at sbhacks.com! $6,630 in prizes Jan 11 – 13, 2019 228 participants
Opportunity Hack - San Jose 2017 San Jose, CA, USA Connect.. Build and Empower $6,000 in prizes Oct 28 – Nov 3, 2017 248 participants
