To celebrate Earth Day, G5 Games has lowered the price of its hit city building casual game Build-a-lot 4: Power Source to $.99 on iPhone, Google Play, Kindle Fire, and $1.99 on iPad. This sale price lasts until April 28.

Like most city building games, you’ll construct homes, malls, restaurants, and other various buildings & decorations to make your city yours. But in Build-a-lot 4: Power Source, you will need to manage power output by building solar towers, wind farms, and even nuclear power plants to make cities sustainable for generations. Careful planning and resource management are required lest the city goes without power and you go without rent. Keep an eye on your power reserves, negative footprint, and other eco-friendly buildings to build the most energy efficient city in the world.

With over 60 levels, tons of goals, and various campaign modes to explore, Build-a-lot 4: Power Source will provide hours of casual game fun at your own pace. So take a chance with eco-friendly city building in celebration of Earth Day!


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