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Choose Your Dojo

One account, one belt, one trophy room.

Every stage you clear, in any dojo, moves the same belt. Clear a dojo outright and it issues its certificate. Pick up wherever you left off, or start something new.

LVL 1Level
000000Score
0/75Stages
0Day streak
Current rank Unranked

Clear your first stage to enter the ladder.

0Titles earned
0Worlds cleared
LVL 1Level
Where you are

Your Dojos

Stages open in order within a dojo, but the dojos themselves are independent — train in whichever you like, in whatever order.

Product

0 / 29

Twenty-nine frameworks, from framing a problem to diagnosing a metric that moved. Each stage ends in fifteen boss scenarios.

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Clear all 29 stages to earn the Product Practitioner certificate.

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Python

0 / 24

Write real Python from your first print() to a finished tool. Every stage has a code lab and a graded assignment, running in your browser.

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Clear all 24 stages to earn the Python Practitioner certificate.

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SQL

0 / 22

Query a real database from your first SELECT to window functions. Every stage has a query lab and a graded assignment, running on real SQLite in your browser.

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Clear all 22 stages to earn the SQL Practitioner certificate.

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Trophy room

Every title in every dojo, the rank ladder, and the certificate for each stage you have cleared.

Open the trophy room