Hi, many thanks for the comments & rating. The background track is a piece I grabbed from stockmusic.net ($39 but well worth it), the card sounds are homemade and a few other things are from freesounds.org. (There's a credits screen at the end of the level.)

That's a good point you make about the escape key, although I kinda thought if people are going to save or exit anyway, it doesn't matter that much. Maybe I should wire up a different key to navigate the menus?

Again thanks for the encouragement and constructive criticism :)