The campaign, featuring the game character Master Chief, acheived global opening day sales of £84 million, making it the highest-grossing entertainment product ever.
The awards celebrate the best in ad agency planning over the past year.
There were gold awards for the Australian agency The Campaign Palace (for a campaign for New South Wales RSPCA), for Mother London's "Somers Town" campaign for Eurostar, for an M&C Saatchi campaign for Kent County Council, and for JWT's campaign for Forevermark Diamonds.
In the UK, as part of McCann Erickson's Halo 3 campaign, it created a photo exhibition by the fictional photographer Jake Courage – view the video above to learn more.
Full list of winners:
|Air Action Vigorsol||Bartle Bogle Hegarty||Bronze|
|Axe - Japan||Bartle Bogle Hegarty||Silver|
|Barnardo's||Bartle Bogle Hegarty||Bronze|
|BHF - Heart Attack||Grey London||Bronze|
|BHF - Yoobot||Grey London||Silver|
|Department for Transport - Speed||Abbott Mead Vickers BBDO||Silver|
|Eurostar||Mother Advertising||Gold||Best contribution to theory and practice of planning; Most progressive Client|
|Forevermark Diamonds||JWT||Gold||Best paper from an agency outside UK|
|Johnnie Walker||Bartle Bogle Hegarty||Silver|
|Kent County Council||M&C Saatchi||Gold||Best understanding of channels|
|Lynx - Get In There||Bartle Bogle Hegarty||Silver||Best understanding of brands|
|Nike 5||Wieden & Kennedy||Silver|
|Nokia Supernova 7610||Wieden & Kennedy||Silver||Best international paper|
|Orange - Gold Spots||Mother Advertising||Bronze|
|PC World||M&C Saatchi||Silver|
|PG Tips||Mother Advertising||Bronze||Best-written paper; Best presentation to judges|
|Royal Mail||Abbott Mead Vickers BBDO||Bronze||Best understanding of business; Best use of numbers|
|RSPCA NSW Australia||The Campaign Palace||Gold||Best use of research|
|Skcin||McCann Erickson||Silver||Freshest thinking; Best understanding of consumers|
|Sony Net-Share Cam||Saatchi & Saatchi||Bronze|
|Stella Artois 4%||Mother Advertising||Bronze|
|The Economist||Abbott Mead Vickers BBDO||Bronze||Best creative brief or briefing|
|Xbox Halo 3||T.A.G./McCann Erickson||Gold & Grand Prix|