Yeah, graphics are... Not our strongest side. Glad to hear you liked the gameplay though, considering ridiculously early stage it is in.
Dual Star Shooters are both intended and not : it was planned (and probably will be implemented), that basic weapons have x2 speed, but x0.5 damage. This allows for some weapons, like star shooter, to chain (reactivate) automatically, reducing their cool down even further. TL;DR: it is intended, but not as op as it now.
Also, just so you know, you have just singlehandedly saved this from being abandoned forever to