I have explored some sites that I think could be very useful to any one that teaches a class, or maybe you could make an educational game for your kinds, If you have any.
This first site is a teacher friendly. It is a build your own game site. Basically there are game template that you put your own information in, and it will generate your game. Click Here to Explore
This is another site similar to the one above, but it has different templates like fake Facebook page or a fake twitter. Click Here to See for your Self