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:
| Advertiser | Agency | Award | Special prize(s) |
| 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 | |
| Comparethemarket com | VCCP | 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 |
| Volkswagen | Tribal DDB | Silver | |
| Xbox Halo 3 | T.A.G./McCann Erickson | Gold & Grand Prix |
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