1: Bring Family Killer Medals Back..
2: Make Operatives and Defensive Units Have Upgradeable Properties and Abilities.
3: More Family Roles/Ranks Enforcer, War Captain, etc..
4: Create Some Type Of Purchasable Shield or Offline Defense.
5: Shorten Main Round Slightly, Maybe Down to Like 5 Days but Offer More Turns.

Just a Few Things I Think Would Make This Game a Little More Fun.