July 2020 Update:
I just recently got through my first round of play tests and got TONS of helpful feedback.
now I'm currently in the process of applying that feedback and setting up another round of testing - and hopefully (if I've done my job correctly) I'll start seeing different feedback!
One of the things I'm realizing is that player "on-ramping" is really important as far as productive play tests. If your testers don't know how to play, or can't play, or don't know what to do, it's hard to get productive feedback. On a game like Alpha One where I have an 'early', 'mid' and 'late' game its important to have an easy "way in" so playtesters can tell me where things are good or bad.
Making a strategy game that can 'snowball' is common, but determining if that 'snowballing' will ruin the fun or not is paramount, but if your testers can't even get to the late game, you've got a problem! So I'm hoping my next round of tests help players get at least to the mid game.
Here's a recent screen cap: