I custom mix soundscapes on Ambient-Mixer. It's a free service (though consider tossing them a few coins for the work they do) where you can mix all sorts of sounds to create the perfect soundscape you need, whether to work to or for use on game nights. 

Here's a list of the soundscapes I mixed and usually work to:

I am not compensated to promote this in any way and am just sharing because it's fun.