Download and play the main story missions of The Witcher 3: Wild Hunt for free on your mobile device. In order to access all the main story missions, you need to complete a certain amount of tasks. These tasks are divided into two categories: the first category is related to the main story, and the second category is related to side quests. You can access the side quests by starting a mission in the task menu. In addition, you need to start a side quest in order to get the reward for completing the main story. There are several ways to complete the tasks, and you can choose the way that you prefer.