Learn by Building
Real Apps
Complete quests, write real code, earn XP, and level up your full-stack and AI development skills.
Build Projects
Real-world apps
Earn XP
Complete quests
Unlock Badges
Show your progress
80K+
Learners
120+
Courses
4.9
Avg. rating
100%
Source code
Learning that feels like a game
Three steps from “I want to learn this” to “I built this.”
Pick a world
Choose a project course: SaaS apps, AI tools, full stack platforms and more.
Build it with me
Follow chapter by chapter with the full source code, so you never get stuck.
Earn XP & ship
Collect XP, keep your streak and badges, and finish with a portfolio project.
New worlds to explore
Complete apps, built from scratch. Fresh courses are added regularly.
Practice in the browser, one island at a time
Short hands-on coding challenges that unlock chapter by chapter. Write code, pass the checks, and move to the next island.
- Live code editor right in your browser
- Instant checks tell you what to fix
- XP and badges for every chapter you clear
Web Basics
HTML · CSS · JS
React Realm
Components & hooks
APIs & Async
Fetch, servers, data
Algorithm Arena
Problem solving
AI Engineer
Prompts & LLM apps
AI Agents
Tools & loops
Progress you can actually see
Rewards that keep you coming back, so you finish the course instead of dropping it halfway.
XP & levels
Every chapter, quiz and quest earns XP.
Daily streaks
Show up daily and keep the fire going.
Daily quiz
A quick quiz each day to lock in what you learned.
AI roadmaps
Get a personal learning path for your goal.
Your level
Level 7 · Builder
Badges
First Step
Chapter Crusher
XP Collector
Course FinisherStart free. Go Pro when you’re ready.
Free
Start learning today
- Free courses & projects
- Daily quiz
- XP, streaks and badges
- Community leaderboard
Pro
Free PRO courses, member prices and every quest chapter.
- Everything in Free
- PRO courses included
- Member prices on source code
- Every Code Quest chapter
- Priority support
PerkPack
Everything in Pro, plus CloudHike, AI PerkBox and WebTracky.
- Everything in Pro
- CloudHike included
- WebTracky included
- AI PerkBox included
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Questions, answered
Your next project starts here.
Join thousands of developers building real apps and leveling up every day.
