That was posted to a dev topic as I believe it was about the development of the plugin, whilst this topic is potentially an interesting conversation for community managers as well, since other CMs might be interested in discussing the ideas for new badges.
As a matter of interest, where is your site hosted? It might be possible to turn on Badge SQL for your instance so you can create your own badges without the need for badgr.
It is the case that Enable Badge SQL but it might be possible to turn this on