We appear to have instant consensus that a game tag (or game series tag) should be applied to all questions on specific titles.
The only added value I see in adding it is for filtering purposes - and while that is admittedly useful, I think it will encumber the tagging system a bit too much.
Meta has a set of mandatory tags (
bug, ...). If you feel console tags would be so advantageous to the site, we could have mandatory tags for the main site itself.
However, chances are there would be too many to enumerate.