Deal or No Deal Random Number Generator
and writing about web page http://richardwinskill.co.uk/Random/dond.php
I’ve just thrown together a script the generates the numbers 1 to 22 in a random order and presents them as a rough approximation to the UK (obviously) DoND boxes. The presentation needs a little tweaking, but the pseudorandom numbers seem to work properly.
As I say on the page, I accept no responsibility for you doing badly and reserve the right to worry about the mental state of anyone who would blame me for them losing…