Board Thread:General Discussion/@comment-25356210-20161227000312/@comment-26065062-20161228220954

Why aren't you including hovercraft? It is certainly very effective, with great firepower, attack angle, mobility and weight support, and are about as hard to disarm as tanks, although less stable.

On a side note, animals do not use wheels because it is physically impossible for them to evolve them (from what we know, at least).