$ cat challenge.md
The Challenge
Master Claude Code This Weekend
Updated for Claude Opus 4.6
40 hours of Claude Code trial-and-error, compressed into 11 hands-on challenges. Auto-validated in your terminal.
What's covered:
- →Context engineering and context window management
- →CLAUDE.md — structure, hierarchy, verification loops
- →Spec-driven development (brainstorm → plan → implement)
- →Sub-agents and parallel workflows
- →Skills and MCP servers
- →Multi-session workflows with git worktrees
- →Building production features end-to-end with Claude
$ signup --free
Start Here
$ cat reviews.txt
What Engineers Say
Engineers from these companies have joined:

"I learnt 3-4 different shortcuts/workflows that I can immediately add to my workflow to optimize, and it'll save me considerable time each day."
Student
Senior Engineer
"A huge injection of knowledge and motivation. I've carried it into my company — sharing ideas with colleagues and management."
Student
Senior Engineer
"Hugely productive. It solidified things I've been doing and gave me a list of things to explore. I've been doing this quite some time, so it's refreshing to get your perspective."
Student
Senior Engineer
"I've been using superpowers for the past week thanks to you, and I loved it. Most of the time I just want to accept its suggestions."
Student
Software Engineer