Build-a-lot is a 2007 casual video game for Microsoft Windows. The object of the game is to construct, upgrade and sell houses for profits. They can flip houses for quick cash or collect rent to make funds go up. Players help mayors from eight different areas and through 35 different levels to complete the game. Build-a-lot was created by HipSoft. It has also been ported to Mac OS X by Red Marble Games. In 2009 it was ported to mobile phones, iOS systems and BlackBerry's by Glu Mobile. It was ported to the Nintendo eShop and DSI shop on August 18, 2011. In July 2013, Build-a-lot 3 and Build-a-lot 4: Power Source was ported to Android by Glu Mobile again