THE DATA ANALYST
Power BI
The numbers are hiding the answer. Find it.
intermediate14h
Try · 4 min — Find why sales dropped
Skills
Pick a skill.
Each skill starts with a free lesson. You put steps in order, type a missing word, and match parts. At the end you get Needs work, Pass, Strong, or Perfect.
Data Worlds
Ops Worlds
THE CONTAINER ENGINEER
Docker
It works on my machine. Now make it work everywhere.
intermediate12h
Try · 4 min — Fix the broken container
THE SYSTEM OPERATOR
Kubernetes
Desired state is the law. Reality must obey.
advanced14h
Try · 4 min — The app is running. Users cannot reach it.
THE INFRASTRUCTURE ARCHITECT
Terraform
Write the city. Then keep it true.
intermediate12h
Try · 4 min — What Terraform thinks vs what exists
Code Worlds
THE CODE TIME TRAVELLER
Git & GitHub
Every save point is a choice. Don't lose the timeline.
beginner10h
Try · 4 min — Recover the deleted commit
THE CODE GUARDIAN
TypeScript
Make illegal states unrepresentable.
intermediate12h
Try · 4 min — Spot the lie
THE GAME MAKER
Game Development
Make something move. Then make it feel alive.
beginner16h
Try · 4 min — Why doesn't the jump land?
AI Worlds
THE AI DIRECTOR
AI Video
Turn a sentence into a shot. Then into a film.
beginner12h
Try · 4 min — Turn this brief into a shot
THE AUTOMATION ENGINEER
n8n
Trigger → action → output. Then the whole company.
beginner12h
Try · 4 min — Automate this workflow
THE AGENT BUILDER
AI Agents
From answers to actions.
intermediate14h
Try · 4 min — Give this agent a search
THE AI WORKFLOW ARTIST
ComfyUI
Nodes in. A machine out.
intermediate14h
Try · 4 min — Fix this broken graph
THE TOOLWRIGHT
MCP
An agent is useless until it can touch something real.
intermediate8h
Try · 4 min — The agent that only talks
THE SCOREKEEPER
Evals
If you cannot score it, you cannot tell it got worse.
intermediate8h
Try · 4 min — Tuesday is worse
THE KEEPER
Local Models
Same prompt. Your machine. No meter running.
intermediate8h
Try · 4 min — The bill or the laptop