Mission 8 - The Observatory | Human campaign Grey Goo Guide

Last update: 11 May 2016

Primary objectives:

• Defeat the Beta and rescue Redgrave.

Secondary objectives:

• Collect 20 Catalyst crates.
• Destroy two enemy outposts.

The beginning of the mission is tough. Your base [1] is being raided regularly from the North and from the East, both from ground and airborne units. You will have to prepare decent defenses and soldiers for destroying enemy installations, at the same time. Start by expanding your base in the Eastern direction, where you find the second deposit [2]. In the meantime, produce defenders. The starting turrets should do, for as long as new buildings remain within their reach. Build Longbow units in the way that enables them to cover the majority of your base with their range.

The most pressing problem is eliminating airborne units that start from the Eastern enemy base [3]. It is a very good direction to launch your first attack towards, because you find more deposits along your path [4]. Focus your defenses of the Eastern part there.

Mass-produce Gladiuses and Longbows. Amass big forces, at least thirty Gladiuses and several Longbows strong. The enemy base [3] is being protected by several turrets that you should be able to destroy easily. Get rid of the rest of the enemy installations. Including turrets to the south, by the resource deposits and bushes [5]. This way, you will halt enemy raids and you win a new spot to build your mine. You do not need to draw a connection wit the Core, refineries create plenty enough harvesters for you to make profit from the mines far away from the base.

After you have destroyed the eastern base, leave small defensive units and take the rest to the man base. During your attack, the factories should keep producing so, after you return,, you should expect to find reinforcements. Gather your armies and go North. The Western Beta base [6] is protected with a wall, which it is best to bring down with a mass attack. Destroy the Southern turrets, make a breach in the wall and head for the base. It produces ground units so, you can reinforce your attack with air force. Keep destroying the HQ and all the nearby buildings, up until you receive the information of the mission being successful.

Along your path, towards both of the bases, you will stumble across Catalyst containers [blue markers on the map]. In each one, there are 200 units of resources, which go to waste, if your supply is full. Containers come in clusters of two or three and they can be picked by any ground unit.

The enemy's main base is to the North-East [7]. There are no fortifications around it and only a big garrison. The easiest way is to attack it from the West,, or from the South. If only you have a huge army, you can try splitting the forces and attacking from both sides, but an attack from one side only is also going to be successful.

Eliminate the units first and focus on factories, and refineries, and finally destroy the HQ. If this does not complete the mission, check out the nearest vicinity. It is possible that you have missed one of the refineries or factories.