I have a shield almost all the time in the later levels. Lower the durations. The game is too easy. Also, use less asteroids, but make them move faster.
Health regeneration would be great. It could be activated after about 5-10 seconds from the last time you took damage, and then the health would slowly increase.
When aiming with scoped weapons, most noticeably with the sniper rifle, one pixel of movement with the mouse causes a much greater pixel movement on the screen. This sometimes makes it impossible to get a headshot on an enemy at certain positions. Other than that, this is a very fun game.
4/5. It would have been 5/5 but there was the problem of trying to move the box left or right when it was close to the edge of the screen. You should be able to control the box with the left and right arrow keys.
I'm having some serious revive problems. It is clearly in the red bar but I get KO'd. C'mon, jmtb02. A revive system like this is so simple, so there is no excuse for you not to be able to fix it.
AI no longer freezes when trying to get food.