Games like TD3D

In Tower Defense 3D, the enemy may walk on the wall, and you can also build the tower on the wall, so you have to consider No longer just a plane, but the entire space.

In Tower Defense 3D, the enemy may walk on the wall, and you can also build the tower on the wall, so you have to consider No longer just a plane, but the entire space.
Picked to match TD3D on gameplay, themes, and feel.