🚀 Learn to build real web pages
Turn code into your creations
Little challenges, big rewards. Write real HTML, watch it come alive instantly, collect XP, stars and badges along the way.
No email needed, just pick a name, a secret word and an avatar.
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What you'll learn
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HTML: Build Web Pages
The language every website is made of.
64 lessons⚡
JavaScript: Make It Move
Teach your pages to think, click and react.
57 lessons💜
C#: Real Programs
The language behind games, apps and this very website.
56 lessons⚡ See it instantly
Type code on the left, your page appears on the right. No waiting.
🎯 Tiny challenges
Every step is small enough to win, and you get stars for doing it well.
🎨 Free play
The Sandbox is yours. Build anything and save it forever.