Ardent Seas blends modern naval combat with classical RTS gameplay, featuring Aliens, space lasers, and unholy amounts of missiles
This is what happens when units move physically, but you don't have anything to constrain them from driving off cliffs!
Is the railgun unit a artillery piece or a tank destroyer?
It's an artillery/mobile coastal defense battery.
The tank destroyer will be a derivative of the right or middle vehicle in this picture: I.imgur.com
Damnit carl.