I have just learned about Wordwall from ELT Planning, which has a great post about it In fact, I think the post provides a better explanation of Wordwall than the actual site does!
The screenshot above shows all the different templates you can use for creating games, and you can assign them to students (you’re given an url address to share) and get their results.
There are also a zillion other games created by teachers that you can search for and use.
I’m adding it to:
The Best Websites For Creating Online Learning Games
The Best Sites Where Students Can Work Independently & Let Teachers Check On Progress
The Best Online Homework Sites For English Language Learners – Please Offer Your Own Suggestions