You should give a tutorial on what's what and stop the ships spawning until something is placed. Also move the spawn time to at least 60 sec at the beggining and get it lower later.
The battles should be somewhat controllable... I lose every time because they are hitting new and new guys every round while they would die from 2 hits...
Offline earning is not really working normaly. I got 1600 BP an MH after like 20 offline, while the MH is 1100/h and the bp is 800/h. This way I can't get enough from any, I need a lot of bp...