I call them “Main Missions” Those missions that are big and the rewards are unique. Frontierville from time to time release those type of missions in special holidays like: “4th of july”, “Christmas”, “new year”, “halloween”:

• School Frontierville Missions
• Jackalope Society Missions
• 4th Of July Frontierville Mission
• Frontierville In the Cabbage Patch Mission
• FrontierVille Winter is Coming Mission
• Frontierville Christmas Gift Missions
• Build a Snowman Mission
• Frontierville Pioneer Toy Factory
• The 12 Christmas Missions of Frontierville
• Frontierville Gingerbread Man Missions
• Frontierville New Year Missions
• Frontierville New Year Dance Floor
• Frontierville New Years Resolutions Missions
• Frontierville Bess A New Game Character
• Frontierville Trading Post Missions
• Frontierville Groundhog Missions
• Frontierville Chapel Missions
• Frontierville Pony Express Missions
• Frontierville 35×35 Land Expansion Missions
• Frontierville 37×37 Land Expansion Missions