Thinking about it...it seems one could increase the probability of "base founding" with pollution.

@Marconos: No lasers? I admit, thats indeed hard:-) Do you mean turrent updates? I don't know what turrent pushes are.
I will play around more with the bots, maybe thats enough a replacement for an atillery.

@Nemoricus: I have a savegame where I build a laser wall around a really large area. It ...

I know that a mod like for example dytech offers more difficult biters, but I would approach this without game changing modifications.

The current issues with fight I have are:

1. The biters are predictable, they always follow the same path
2. Once you destroyed nearby bases, you have no further ...