Build
Monthly
Advanced
Closed
Closed: January shipping league
Ship a useful Builder project. Proof lives on your Builder Profile.
A past monthly league for builders who shipped public proof every week.
What to build
Archive challenge — submissions closed.
archive
shipping
- Starts
- May 11, 2026
- Ended
- Jun 20, 2026
Winners already judged — browse for inspiration.
What you will demonstrate
Learn these skills first, then submit work that demonstrates them.
archive
shipping
Difficulty: advanced · May 11 – Jun 20, 2026
Challenge discussion
Ask questions, share progress, give feedback, and collaborate. This uses the existing public challenge thread — not a private course community.
Open discussion