Destroying all three (yes!

Obviously the biggest problem is that you’ll be dealing with three Walkers, instead of two.

They will appear around your base (4 on the map).

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I would recommend taking them down one at a time.

You shouldn’t try dividing your army into smaller groups.

Your buildings need protection and you don’t have enough time to place proper turrets.

PC

Try preventing enemy units from destroying your main buildings, especially factories.

You won’t have to worry about less important structures.

Just double-check that your main HQ stays put.

PC

If you decide to place the turrets anyway, build them to the west of your buildings.

Anything that’s caught up in the wave gets destroyed or killed, including your main heroes.

You will be able to deal with this problem using various approach methods.

PC

The best choice is to select Mirabel and Vertigo.

You will have to attack the Walker, so it’ll focus its attention on your main characters.

Vertigo seems to be the best choice here, because he can move really fast.

PC

Try eliminating them one at a time, instead of shooting randomly at all of them.

You’ll probably notice that the Science Walker is losing on health and shield.

Try eliminating the first Hierarchy unit quickly, before it’s capable of regenerating its wave attack.

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Once it’s gone, start moving north-west.

You should also call for reinforcements.

I assume that your base has built a lot of units in the meantime.

Xbox

You should also watch out for your heroes.

If anyone is seriously injured, prevent that character from taking part in the second battle.

Remember that you might’t afford losing any of your heroes.

Universe at War: Earth Assault

I assume that you’ve destroyed the first Science Walker quickly.

You won’t have to change anything in your approach.

After that, attack it with everything you’ve got.

Aim for the Cascade Reactors so that take it down quickly.

You will have to be extremely fast here.

Allow all of your units to take part in this final battle.

If you’re lucky, the Science Walker won’t be able to use its main attack.

double-check that new tanks appear somewhere near it, so they can attack it without any unwanted interruptions.

Destroying the third Walker will allow you to succeed.

You’ve also completed the Novus campaign!

Get ready for the second campaign.

This time you’ll be commanding Hierarchy forces.

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