Jose Arroyo (jose-m-arroyo-se)

France

Reddit’s Game of the Day Hackathon

Online

Join Reddit to build incredible daily games!

$35,000 in prizes
Dec 08, 2026 09:00 PM EST to submit
1302 participants

#BuildHybridAI 2026

Online

Build AI apps that run on-device and in the cloud with Firebase AI Logic.

$30,000 in prizes
Nov 30, 2026 05:00 PM EST to submit
2475 participants

UGREEN Hackathon 2026 on AI NAS

Featured

Online

Bring Your Skills to UGOS

$46,000 in prizes
Nov 16, 2026 02:45 AM EST to submit
2711 participants

Nebius x NVIDIA Global AI Hackathon

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Winners TBD
29865 participants

The WebMCP Challenge

Online

10 days for exploring what’s possible with WebMCP

$35,000 in prizes
Winners announced
7039 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46647 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