Tile:
    - automatic overlays to show unit stack depth

Pawn:
    -

Board:
    - support different board layout
        - north orientation
        - hex orientation
        - inverted even/odd row scheme

Game:
    - animated selected Hex
    - promote animation
    - Ace overlay -> may reroll the dice
    - End Turn button in Select State
    - add options to hide moves/targets/assists even in action
    - HUD position left/right