This game is a masterpiece. There are only two bad things I would mention:
1 - The enemies are rather boring, though I understand that it's drone variants we're speaking of... but still.
2 - The lack of AI was something I would have needed. Again, you have the excuse of drones, but seriously, even today's technology has smarter tactics than wasting petawatts of energy on firing energy weapons without aim.
Regardless, the game was a CRITICAL HIT on my heart. It's even more remarkable that its whole story was conveyed purely through dialogue and it still had such a deep impact on me. I'm truly grateful for this wonderful composition of code.