Talk:Circuits/@comment-71.241.247.248-20130723065606

Personally, I think Venera is the best place to farm circuits. Sadly, the drop rate seems to be all over the place. I've gotten anywhere from 0-100+ (with an average of 50-60ish) within 15 waves. Really just depends on luck. I can say that your chances of getting none at all are very very very very slim, but still possible so just keep that in mind.

If you do try to farm here, make sure to get in at the very beginning because there is a large number of storage containers in this level. I got in a few times after a few waves and that's usually when I get little to no circuits.