Cranky Uncle uses misinformation tricks to confuse people about vaccines. Play the Cranky Uncle Vaccine game and learn to spot these tricks so you won’t be fooled! Find out the scientific facts on vaccines and become more resilient to vaccine misinformation.

Play the Tanzania Cranky Uncle Vaccine game:
iPhone and Android apps, and web browser game are available in English and Swahili.
Cartoon of Cranky Uncle holding a Tanzania flag


Meet the Tanzania Cranky Uncle Vaccine game characters.

Cartoon characters from the Tanzania version of the game


Thank you to our partners for support in bringing Cranky Uncle Vaccine to Tanzania.

Tai Organisation logo
Unicef logo
Sabin Vaccine Institute logo