Defeating End Boss

[deathcaster]

Ok I finally killed it, so here is how I did it, not the only way I am sure, but maybe this will help someone else.

Turrets
5th row: Acme AA guns (you get these from challenge levels)
4th row: Tornado (lighting gun)
3rd row Desert Locust (machine gun)
2nd row: Lance (cannon)
1st row: Lion (blade gun)
put in basement: Zeus (lightning cannon, from challenge level)

the 2 acme you do not need to move (other than out of way of attacks)
the Zues you never need to move from basement

the rest of the guns just save the specials for targeting weak spots on the boss, and move out of way of attacks, when boss moves to other side, place all your attack guns in the center to ammo up, when he lands place them into attack possition.

This took me several tries, maybe 10 or more.

It is about hitting those weak spots, and not letting your guns get hit by the boss attacks.

About the Acme AA guns, I put those on to deal with the missile attacks, since they only attack air units, they do not get distracted by the boss or the tanks. I did try with another machine gun, or a rocket launcher. But they would shoot at the tanks and let missile hit me.

Well that is pretty much it. I may take a few tries, it is frustrating at times. But don't give up. I am over 50 years old... so you young people can do it :)

[EastX]

I tried your guide, but I wasn't able to fend off the tanks well enough. The strategy in this video worked for me: https://www.youtube.com/watch?v=OJeip2UxqTg

[deathcaster]

I am sorry mine did not work, glad you found something that did :)