Idle Games are games that need players to repeat the same action in different ways to accumulate resources to upgrade. Some idle clicker games are more difficult and more stimulating, these games will test the reaction speed and accuracy of players, they need to click the mouse or the screen at the right time and right place. You can find these best idle games at UGameZone.com. For example, you may play as the role of a baseball player in idle RPG games. You will hit the flying balls at the perfect timing to gain a high score. Without enough points, you can not move on to the next level. These games often have time limits. Usually, idle games are also called as tap games because these games need players to tap the screen or mouse/keyboard, and they have similar ultimate aims.