/r/gamemaker hosts a 48-hour game design and development contest called the gm(48) every quarter. You can find out more about the gm(48) here.
If properly cared for, however, you should get a number of years out of your battery, assuming that you own a gasoline powered or diesel fueled vehicle. If you own a hybrid, or an electric car, you can expect to get an amazing eight years of auto battery life before you have to think about replacing it. Batteries.
I'm not saying that these batteries will last forever, but the general sense is that they will last for, quote, the lifetime of the vehicle.. Cinda Gobeille had to garage her Toyota Prius when the battery gave out after a healthy life of 10 years and 144,000 miles.