Just played it and it was lots of fun!
Although I performed terrible at your game

For me the game play was a bit too fast. But I'm old (I mean really old) so maybe that's just me
The sound effects enhanced the game play experience a lot. Also the blindness effect is a good addition to the fun factor.
The graphics are minimal to abstract but they are well done and share an overall style - also good.
I didn't like the small bullet lines. I missed the visual feedback where I aimed at and if I hit an enemy or not. And I completely missed when I was hit unless I died
You might want to enhance a bit there...
Luckily I was supported by some AI players, otherwise I would have lost. Although I didn't know why I won. I assume we captured all bases?!
I would suggest adding some title and info screen, maybe add some more game modes (hold n bases for x seconds, kill x enemies in a given time, destroy targets, destroy targets in a given order, defend targets, and so on) and some options (team size, different levels, time limits).
Overall an impressive game for 72 hours! Very well done!
Cheers,
Thomas