as for nanowar.. tweaking an idea is actually a really good aproach to improving your game developement skills.. or you could just ask everybody to stop developing games at all.. because brand new ideas that are fun, playable, doable 1 in a million... let ppl rip good ideas and improove upon them... more fun for us
IMHo if you end up with beetles .. towers are the only thing that can provide victory on the level with the crickets.. (last one i think)
...
still.. needs tech path & some more upgrade options
 "Bit Heroes"){kind=icon}
 "Bug War"){kind=icon}