how+can+we+make+them

PowerPoint is a good place to start
We all have access to PowerPoint and you can use it to make simple branching games of various types, or something more sophisticated. Making sophisticated games from scratch involves being able to programme. Here are a couple of examples that have either been created or adapted by British Council teachers:

The fruit machine

Who wants to be ...

There are websites with ready-made resources: http://it.coe.uga.edu/wwild/pptgames/ http://faculty.musowls.org/RutledgeJ/Ppt_Games/ppt_review_games.htm

Or websites with advanced PowerPoint skills:

http://www.internet4classrooms.com/on-line_powerpoint.htm

You can also make use of simple web pages, created in Word and saved as html. Here is an example created by a teacher on the Manchester MA: http://lte.humanities.manchester.ac.uk/examples/Bernadette/readingskills2/index.htm. This is for developing reading skills, but has a game format.

You could also make use of a wiki.