Great game. At first it was challenging and I lost a few times, until I used rockets and shields to pwn the planets. I eventually used a laser, but probably only used it 10 times. I only upgraded the reload time on the rockets and after a bit, i worked on my shields. Was pretty easy after reload times were upgraded.
It was pretty funny when I got to some of the beefier planets and was like... Oh shit look at all those guns they have, then GG boom boomed them to death with rockets, with little to no damage. I only ran into one small bug with a rocket or two occasionally flying around aimlessly back and forth between my planet and the enemy, but it was nothing game breaking. I got a lot of artifacts that turned out to be junk, but the ones that had bonuses were pretty helpful. The length of the game was pretty good too. It wasn't too long or too short in my opinion, but it did go faster with rocket/shield strat.
Overall, I enjoyed the game more than I thought I would. More games like this would be nice. Keep up the good work.