(AFX UK Focus) 2010-02-11 21:09 UPDATE 1-Zynga to buy Facebook game maker Serious Business

NEW YORK, Feb 11 (Reuters) - Zynga said on Thursday it would buy Serious Business as the online game provider, often seen as a top IPO candidate, expands its stable of social games on Facebook. Zynga, known for games including "FarmVille" and "Mafia Wars," did not disclose the terms of the deal for San Francisco-based Serious Business, whose game "Friends for Sale!" is played by more than 6 ...