I've been running an evosim with sexually reproducing bots for 1,3M cycles now.
As usual, mutations have broken everything that isn't absolutely necessary for survival and now I'm hoping to see some improvement in the next few million cycles. I set up the bots to fertilize bots of their own species when they had over 2 body. Basicly evolved DNA's behaviour is very much the same as the original, it just uses less bp to do it so mutations have lower probability to break something down.
I've just added shapes that bots can see in one corner of the sim (size 12) and maybe, just maybe they'll evolve more conditions for shooting. That'd be a killer.
The problem is, there isn't any evolution for veggies as bots depend heavily (well, fully) on repopping veggies and kill them quickly. Bots are just adapting to stable conditions. One idea I've been toying with is to add multiple types of veggies to provide a little bit of variety. I think veggie repop randomly chooses which one to drop in. With large enough fields, larger than size 12, it should be possible to create at least semi-stable ecosystem. Thats really hard to hand-code as the species have to be efficient enough to survive and inefficient enough to let some of the other to live too.
I've attached the evosim if someone wants a look at it. It's nothing special really, just the .sexrepro.