Help all 3 of my first contacts are genocidal species

[Commissar]

I didn't force any of them to exist, all of them are random. None of them border each other, and I'm afraid they'll tag team me and eat me in one go. Any tips?

[HomoScorpio]

Get choke points and build bastions of defence

[corisai]

Genocidal can't unite against you (but they can and will attack you in same time if you will be too weak).

But in same time you're free to attack them. So if you aren't pacifistic federation builder - it's quite nice position :)

[teron]

Just keep in mind the only genocidal which can ally are determined exterminators, since they are fine with other robots.

[Locklave]

Man, seems like you got my bad luck. This happens to me so much when I play Xenophile.

[Shahadem]

Only a fool let's herself get surrounded. Back up and make them come at you one at a time.

https://youtu.be/cBYUB9tGVmk

[JODEGAFUN]

I personaly like if i have one of them nearby. Build a fortication in a bottle neek and they will have a problem. But 3 on different side as first contacts is hard. If you have one, and troll them to lose their fleet in a trap from a combination of defensive base + fleet you get some planets to catch and no other will be offended.

[Noble du Québec]

They won't "team" togheter against you unless you show weakness first.

if you attack one of them first and your force lose too much fire power during the conflict, one of the other AI will take this occasion to expend at your expense., so avoid arm wrestling type of situations.

If you wait until they are at war against another faction, or show another kind of weakness themselves and you seise this occasion to grab their territories and hold it while taking as less casualties as possible, you can actually be the one expending at the other's expense.

It become a little high stake game of "who stab the other in the back first" and "I ain't stuck with you, you're stuck with me" that can turn around at the first mistake and destroy you.

I like to play my games in maps mostly composed of devouring swarm/killing robots/purging fanatics and that's how I manage to make it.