When you select a quest, a spinning gear will appear in the upper left corner. Connect the multiple gears on the right to the spinning gear to complete the quest. The gears can be placed in any position. There are 40 quests to choose from, and you can start from any of them. You can play the completed quests as many times as you want. In this game, clockwise gear speed is represented as positive and counterclockwise gear speed as negative.