I found an app for the iPhone (and probably Android) that turns your to do list into a game. It is called EpicWin. Your to do list becomes Quests, which give you experience. If you do enough, you level up. They also increase your attributes, such as Strength, Intelligence, etc, depending on what you labeled the task as. Recurring tasks remind you, such as paying bills. If you are a video gamer such as myself, and you always have a smart phone on you, an app such as this could be very beneficial to you. I have increased my productivity dramatically, since my main problem has historically been forgetting to do important things.