All activity
Emre Aktasleft a comment
I have seen a lot of platforms for German language learning but mostly were not free and you had to sign up. Citizify.com is free, no-signup. It includes a lot of quiz types for German learners.
CitizifyGerman language, citizenship & residence tools
Free tools to check German citizenship eligibility, learn German vocabulary (A1–C1), and prepare for integration tests.
CitizifyGerman language, citizenship & residence tools