Yiyang Liu (0nesheep)

TikTok TechJam 2025

Online

Build With Joy, Code For Change

$22,500 in prizes
Winners announced
2319 participants

Hack&Roll 2024

Singapore, Singapore

Singapore's largest student-run hackathon

Non-monetary prizes
Jan 20 – 21, 2024
416 participants

Hack&Roll 2023

Singapore, Singapore

Singapore's largest student-run hackathon

Non-monetary prizes
Jan 14 – 15, 2023
376 participants