Learn HTML, CSS & JavaScript by playing games. Start from zero, for free: 1,170 lessons, 1,000+ exercises, 220+ games, the Arena and your own pixel village.
Hyper Sheets: learn HTML, CSS and JavaScript from zero, right on your phone. Lessons are short and hands-on, exercises are checked automatically, and the rest you sharpen by playing: in games, in the Arena, and in a pixel village of your own.
Every lesson, exercise and game is free. No ads. Made in Indonesia, for people learning the web on their phones.
Lessons, exercises, playgrounds, games, and Arena are free, and they stay free. Certificate exams and AI explanations of your errors are free for now too, but since they cost money, that may change later. The only paid things today are optional: becoming a Supporter, or buying coin packs for cosmetics.
No. Lessons open without an account. To keep your progress, one click makes a guest account with no password, and you can link it to an email any time.
No. Everything runs in the browser, including the code you write. There is also an Android app on Google Play, and lessons can be downloaded to open offline.
Yes. The path starts from basic HTML, everything is explained in Bahasa Indonesia, and every lesson has a demo, a quiz, and exercises that are checked right away.
The HTML & CSS Foundation certificate is available now: 20 multiple-choice questions and 3 coding tasks in 60 minutes, passing at 80. Every certificate has a verification page anyone can open. The other tracks are coming.
Yes, from day one. A teacher makes a private class, students join with a code, and there are lesson assignments, a discussion board, a study schedule, and a class leaderboard. Public classes and Komunitas open at Level 13.
