Printed First, is an interesting way to test your knowledge of when certain words were first introduced.
There are three skill levels available. For those just getting started, there is the EASY mode.
If you find that too simple for you, there is the regular or normal mode. Try it. You will find this to be very challenging!
For those who find 'regular' is still not challenging enough, we have DIFFICULT mode! If you can master it, you are extremely proficient in your knowledge of words and when they were first used.