Is any thing in sololearn called challenges after completing the course??

Question

Please include a link too

Answer 1

Click on play ⚡ on bottom strip
(If not there Click on your avatar image. at top right corner).
Click on +.
Choose a language in which you want to challenge oppent.
(A list of available player pop.)
Select opponent.
Complete 5 que of quiz.
Wait for result it will be notify when your opponent will complete it.