The object is to clear the tableau in the fewest turns. Purble Pairs is a pattern recognition and memory game similar to Concentration. The collection has a single home screen that offers three packs of games: Purble Pairs, Comfy Cakes and Purble Shop. Purble Place was publicly introduced in Windows Vista build 5219 along with Chess Titans and Mahjong Titans. Purble Place is a suite of three educational computer games developed by Oberon Media for Windows Vista and Windows 7.