Which theme did you end up using?
Emoji and Tower Defense

Any obstacles you found while working that were hard to overcome?
Making radial menus appear per tile without calling the adjacent menus, building mac and linux apparently?

Anything you had to ultimately cut from the game due to time or lack of knowledge?
Mac and Linux builds. More weapons.

Anything really cool or interesting that you learned?
That OnMouseEnter, OnMouseExit, and OnMouseUpAsButton are able to be called on UI events without triggering anything in the editor.

Do you think you will continue this project?
Nope. Back to Battalia.