Hongsheng Diao (diaohs)

Chengdu, Sichuan, China

Reddit Games and Puzzles Hackathon

Online

Create a new game or puzzle for the Reddit community!

$116,000 in prizes
Winners announced
1941 participants

Parking Lot 2.0

Online

Take parking into the 21st century. Submit software that reimagines outdoor parking lots in Los Angeles!

$27,500 in prizes
Winners announced
110 participants

Connected Intersections

Online

Smart phones are increasingly the common denominator among pedestrians, cyclists, and drivers on NYC's crowded streets. Create technology to connect those in traffic and keep pedestrians safe and alert.

$50,000 in prizes
Winners announced
357 participants

Samsung Gear App Challenge

Online

Your world. Your wrist. Create the best Samsung Gear App and change your universe.

$400,000 in prizes
Winners announced
2728 participants