Dr. Bill's 30-Day ASL Challenge
Lifeprint.com / ASL University
Learn American Sign Language in 30 days
A day-by-day ASL challenge by William G. Vicars, EdD ("Dr. Bill"), founder of ASL University at Lifeprint.com. Each day you learn new signs, practice fingerspelling and numbers, read Deaf culture facts, sign practice sentences, and take a short quiz. Finish all 30 days and pass the Final Challenge to earn a certificate of completion.
- 300+ ASL signs shown by Dr. Bill, with usage notes
- The fingerspelled alphabet, drilled at real conversational speeds
- Numbers 1 to 100
- 150+ facts about Deaf culture, history, and ASL grammar
- Practice sentences from the ASL University lessons
Runs entirely in your browser: no account, works offline once loaded, and your progress stays on your device. Loading the challenge...