Weeding Master
Five grades. Five certificates to earn.

Take the challenge.
Aim for Grade 1!

Learn about weeds and gardening, take an exam, and collect a certificate for every grade you pass. Your next goal: Grade 1.

Coming to iPhone and iPad

Five grades.
Five certificates to earn.

White, blue, gold, silver, and a rainbow for Grade 1. Each certificate makes your progress visible.

150 questions.
Learn your way to a pass.

Explore 150 questions on plants, tools, and safe working practices. Read Drill explanations before taking a timed exam.

Your name. Your photo.
Your achievement.

Add your name and a photo to an earned certificate. Save an image or share your achievement with others.

Earn it. Make it yours. Share it.

Add your name and a photo to an earned certificate. Save an image or share your achievement with others.

Example after passing

Example after passing

Five languages.
One Grade 1 challenge.

Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Switch languages in Settings to take the same challenge.

About the quiz challenge

What does the certificate mean?

It records a passed exam within Weeding Master. It is a game achievement, not an official or professional qualification.

How do I unlock Grade 1?

Pass Grade 4 to unlock Grades 3, 2, and 1. Grade 1 has 20 questions, a 10-minute limit, and a 90% passing score.

Can I use my own photo?

Yes. The icon-change button on an earned certificate lets you take a photo, choose one from your library, or return to the sprout icon.

Which languages are included?

Japanese, English, Simplified Chinese, Traditional Chinese, and Korean. Some questions concern Japanese plants and regulations.

Certificates are in-app achievements, not official qualifications. For ages 18 and over.