Yes there are new units and old ones that have been changed.

Gun-Towers:

NOTE............
1. All these guntowers can only be built with the Gun Constructor made by the Recycler.

2. They also need power.

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Your Gun-towers

Soft Tower :-
This is the fist gun which is mainly used as the first defence when you build your base. It costs 35 scrap and you don't need a relay bunker. But the guns armor is very Low

Gun Tower:-
This is the normal tower

Rocket Tower:-
With a large Rada range this could spot a enemy coming a mile of. It fires rockets at the enemy depending what it is.

One Blast Tower:-
This gun is high in armor and takes a lot to destroy it. It fires one blast streem at the enemy, so that is why it is called a one blast gun tower. It costs 110 scrap.

Assult Tower:-
This is the dady of them all, Just one of these could defend a hole base from any number and type of attaks from the enemy. The armor is extremy high and will last a long time. The only downfall is that it costs 180 scrap. But it can blast a normal Fury tank out of the sky in seconds.

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Enemy Gun-Towers

Blast Tower:-
Yes After the enemy stole some of out weapons plans they made a new gun Spire. If a bomber gets near it or if there is one in the base just two blasts could take out a bomber

That is all they have, they use the Gun Spires to.

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Your Units.

Gun Constructor.
Use this to build the gun towers around your base. It's armor is extremly low so protect it at all costs.

Assult APC
This is a new ship. A large Carrer ship that drops 25 tanks on the place where you want it to attack. It's armor is high but it will not survive a to much damage. Use factory to build this.

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Enemy Units.
Most of the enemy units are the same. But they have new weapons and shelds which can pack a punch if given a chance.

Men also runaround with rocket lancers to try and take you on.