Back up your save, and then have a war with your friends.
DON'T FORGET TO BACK UP YOUR SAVE FIRST.
give time to build hidden silos, (I for one have a cruise missile silo in the side of a mountain next to my friends base, loaded with a nuclear missile. Right before it launches, a bunch of pistons open a hole in the wall letting the missile fly through without him seeing the actual silo.) The silo also contains a bunch of loaded railguns aimed at his house.
Or MFFS stations and Radar/Emp towers
Bunkers with their own generators
have an all out war
BACK UP YOUR SAVE