I dunno. The main gun is pretty awesome with max Accuracy and FireRate. I do believe that special weapons are the key to this game.
Anyways, it seems the health and upgrades takes some time to disappear even after you proceed to next stage and when you restart after death.
 "The Company of Myself"){kind=icon}
 "Mecharon 2: Survival"){kind=icon}
 "Darkest Days"){kind=icon}
 "Year of the Snake"){kind=icon}
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