First tower that is more functionality tower that slow enemies (Slow Tower) with special radio waves.

Second is a AoE tower, we called it (Detonator) .It spreads in air special substance and in contact with air it explodes.

Detonator in Action!:

We have tanks but we need some else...Yes! we have something faster but with less life. Here it is war car:

gg
thank you :)