Currently, Medieval Empires has two kinds of missions and tasks that players need to complete.
Daily Missions: Different tasks that support and guide the player in the game and are focused on player's progress. Each task therefore provides a reward and by finishing multiple tasks, bigger milestones can be achieved with greater rewards. Daily Missions can be simple tasks such as killing 5 invaders or upgrading a certain building.
Events: Events in Medieval Empires are unlocked with Town Hall level 7. During events players have to perform certain kinds of tasks to score points and compete with other players. At the end of the event, rewards are granted based on the player's relative rank compared to the other players.