Hello World (helloworldpurdue)

West Lafayette, Indiana, United States

Hello World 2025

West Lafayette, IN, USA

The biggest hackathon in Purdue history.

Non-monetary prizes
Sep 20 – 21, 2025
410 participants

Hello World 2024

Online

Join the nation's largest freshman only hackathon!

$440 in prizes
Winners announced
107 participants

Hello World Purdue

West Lafayette, IN, USA

Join the nation's largest freshman only hackathon!

$2,350 in prizes
Sep 17 – 18, 2022
117 participants