Hiya bud - i've been following the game for quite some time, checking in now and then to see the progression. It's fun to watch someone put this much dedication into a game.
Anyhow last run i did was quite some time ago but at the time the missions weren't finished yet which made the game quite fleeting to play. The startup mission(s) with the cube were cool and i hope more content in the form of 'things to do.' (or missions) will be added - i would certainly recommend it before a steam release. Other than that the game feels quite polished to me - but i only occasionally play a game or 2.
Anyhow i'll hope to do another run when i have some time and see the new stuff. Good luck and don't forget a healthy work-life balance ;)