Learn web dev by playing.
Ship real apps. Climb the board.
Pick a topic, answer adaptive questions across 5 rounds, and build a calculator or story game from scratch. HTML, CSS, JS, Supabase & Cloudflare. Points on every correct answer. Global leaderboard.
How it works
Choose a topic
Pick HTML, CSS, JavaScript, APIs or Deploy. Select your difficulty level.
Play 5 rounds
5 questions per round. Questions adapt to your answers. No repeats within a game.
Earn up to 100 points
Points scale with difficulty. Streaks multiply your score. Badges drop for milestones.
Review your scoreboard
After each round, see your accuracy, streak, mastered concepts and leaderboard rank.
Get recommendations
Based on your weak areas, we suggest what to study next. Keep improving.
Pick your path
Choose exact parameters or take the 60-second placement quiz.
Pick your battle
Choose a topic, the number of questions, your capstone project and difficulty.
Not sure where to start?
Answer 6 quick questions and we will auto-assign your starting level, then ladder you from basics to advanced.
Built on the Espeezy stack
Same shared login as Kanban & Games. Supabase-backed. Deployed on Cloudflare. Curriculum drawn from MDN, web.dev, JavaScript.info & the Odin Project.
Global leaderboard