Xbox News: Play Modern Warfare 2 for charity this weekend - Official Xbox 360 Magazine
Its the weekend of 5/6 December.
If more than 600,000 UK users get their Modern Warfare on, the War Child charity will receive a donation of £150,000, says Activision. An extra £25,000 will be donated for every 100,000 users after that, up to a maximum total of £250,000.
Come on folks we need to do out bit.