Build your character and equip him in order to have him ready for the bravest quests. In World of Pain - Chapter 2 you encounter enemies and fight them to gain experience to add more skills to your character. Talk to people and open chests to find your next mission. Enter the castle and interact with people and take care of it, speak with the king of the castle, buy food or sell goods to earn gold.
Use the arrow keys to move. Use the mouse to interact.