The default settings don't make solar systems, part of the fun is to setup your settings in order to make a stable solar-system... trust me this is possible. try again, for example if the particles are falling into the sun, try lowering the weight of the sun and/or increase the speed of the max and min spawning force. Hope this helps you. maybe if you find out a good balance of setting you could post them up as a comment in order to help others out, and if you can't find a balance personal message me and i'll give you some settings that worked for me, I wouldn't wanna ruin the fun for others. hope this helps you out
Hm. Slow game and I may have found a bug: I can't build any more dungeon tiles even though I should have 5 spare tiles allowed and I have the gold needed. I can't build the workshop. Also, it seriously needs some sort of upgrade that doesn't require real cash to allow autocollection of resources. This look and click is not fun.
Meh. I don't know how much health the enemies have, or the cost to upgrade the turrets. Not sure how to make decisions if I can't see what the costs and benefits are.
Functional. A "repair all" button would be handy... I'm not sure that the need to repair towers adds mutch to the strategy, however. One way to change this would be to add other towers to do shielding or automatic repair...
Thank you.