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
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
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4967 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
Fun and Games with Devvit Web Online Create a new game or experience for the Reddit community! $49,000 in prizes Winners announced 2603 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129562 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1739 participants
Reddit Games and Puzzles Hackathon Online Create a new game or puzzle for the Reddit community! $116,000 in prizes Winners announced 1938 participants
AWS Chatbot Challenge Online Create conversational, intelligent chatbots using Amazon Lex and AWS Lambda! $19,797 in prizes Winners announced 3849 participants