Trhawk on 21 July 2015
Here they are in order from largest to smallest:
| Title | Developer | Sales(x1000) | System | Date |
| Halo 3 | Bungie | 3300 | Xbox 360 | 9/25/2007 |
| Halo: Reach | Bungie | 3300 | Xbox 360 | 9/14/2010 |
| Halo 2 | Bungi | 3267 | Xbox | 11/9/2004 |
| Halo 4 | 343 Industries | 3200 | Xbox 360 | 11/6/2012 |
| Gears of War 3 | Epic Games | 2000 | Xbox 360 | 9/20/2011 |
| Gears of War 2 | Epic Games | 1560 | Xbox 360 | 11/7/2008 |
| Halo 3: ODST | Bungie | 1520 | Xbox 360 | 9/22/2009 |
| Gears of War | Epic Games | 1000 | Xbox 360 | 11/7/2006 |
| Fable II | Lionhead Studios | 790 | Xbox 360 | 10/21/2008 |
| Halo: The Master Chief Collection | 343 Industries | 660 | Xbox One | 11/11/2014 |
| Halo Wars | Ensemble Studios | 639 | Xbox 360 | 3/3/2009 |
| Gears of War: Judgment | Epic Games | 620 | Xbox 360 | 3/19/2013 |
| Fable | Big Blue Box | 604 | Xbox | 9/14/2004 |
| Fable III | Lionhead Studios | 580 | Xbox 360 | 10/26/2010 |
| Crackdown | Realtime Worlds | 427 | Xbox 360 | 2/20/2007 |
| Forza Motorsport 2 | Turn 10 Studios | 217 | Xbox 360 | 5/29/2007 |
| Crackdown 2 | Ruffian Games | 208 | Xbox 360 | 7/6/2010 |
| Lost Odyssey | Mistwalker | 204 | Xbox 360 | 2/12/2008 |
| Forza Motersport 5 | Turn 10 Studios | 200 | Xbox One | 11/22/2013 |
| Forza Motorsport | Turn 10 Studios | 184 | Xbox | 5/3/2005 |
| Forza Motorsport 3 | Turn 10 Studios | 175 | Xbox 360 | 10/27/2009 |
| Too Human | Silicon Knights | 169 | Xbox 360 | 8/19/2008 |
| Conker: Live & Reloaded | Rare | 150 | Xbox | 6/21/2005 |
| Alan Wake | Remedy Entertainment | 145 | Xbox 360 | 5/18/2010 |
| Brute Force | Digital Anvil | 130 | Xbox | 5/27/2003 |
| MechAssault | Day 1 Studios | 118 | Xbox | 11/11/2002 |
| Project Gotham Racing 2 | Bizarre Creations | 70 | Xbox | 11/17/2003 |
| Crimson Skies: High Road to Revenge | FASA Interactive | 59 | Xbox | 10/21/2003 |
| Blue Dragon | Mistwalker | 54 | Xbox 360 | 8/28/2007 |
| MechAssault 2: Lone Wolf | Day 1 Studios | 50 | Xbox | 12/28/2004 |
| Kingdom Under Fire: Circle of Doom | Blueside | 50 | Xbox 360 | 1/8/2008 |
| RalliSport Challenge 2 | Digital Illusions CE | 34 | Xbox | 5/4/2004 |
| Midtown Madness 3 | DICE | 30 | Xbox | 6/17/2003 |
| Phantom Dust | Microsoft Game Studios | 30 | Xbox | 3/15/2005 |
| Halo: Combat Evolved | Bungie | Xbox | 11/15/2001 | |
| Fuzion Frenzy | Blitz Games | Xbox | 11/15/2001 | |
| Project Gotham Racing | Bizarre Creations | Xbox | 11/15/2001 | |
| Amped: Snowboarding | Xbox | 11/19/2001 | ||
| Azurik: Rise of Perathia | Xbox | 11/25/2001 | ||
| Blood Wake | Stormfront Studios | Xbox | 12/28/2001 | |
| NightCaster | VR1 Entertainment | Xbox | 1/1/2002 | |
| Sneakers | Media.Vision | Xbox | 2/22/2002 | |
| RalliSport Challenge | Digital Illusions CE | Xbox | 3/4/2002 | |
| Quantum Redshift | Curly Monsters | Xbox | 9/17/2002 | |
| Blinx: The Time Sweeper | Artoon | Xbox | 10/7/2002 | |
| Whacked! | Presto Studios | Xbox | 10/8/2002 | |
| Kakuto Chojin: Back Alley Brutal | Dream Publishing | Xbox | 11/11/2002 | |
| Kung Fu Chaos | Just Add Monsters | Xbox | 2/25/2003 | |
| Tao Feng: Fist of the Lotus | Studio Gigante | Xbox | 3/18/2003 | |
| Voodoo Vince | Beep Industries | Xbox | 9/23/2003 | |
| Grabbed by the Ghoulies | Rare Ltd. | Xbox | 10/21/2003 | |
| Amped 2 | Indie Built | Xbox | 10/28/2003 | |
| Sudeki | Climax Group | Xbox | 7/20/2004 | |
| Kingdom Under Fire: The Crusaders | Phantagram | Xbox | 10/12/2004 | |
| Blinx 2: Masters of Time and Space | Artoon | Xbox | 11/18/2004 | |
| Kingdom Under Fire: Heroes | Blueside | Xbox | 9/20/2005 | |
| Perfect Dark Zero | Rare | Xbox 360 | 11/17/2005 | |
| Kameo: Elements of Power | Rare Ltd. | Xbox 360 | 11/22/2005 | |
| Project Gotham Racing 3 | Bizarre Creations | Xbox 360 | 11/22/2005 | |
| N3: Ninety-Nine Nights | Q Entertainment | Xbox 360 | 8/15/2006 | |
| Viva Piñata | Rare Ltd | Xbox 360 | 11/9/2006 | |
| Shadowrun | FASA Interactive | Xbox 360 | 5/29/2007 | |
| Project Gotham Racing 4 | Bizarre Creations | Xbox 360 | 10/2/2007 | |
| Viva Piñata: Party Animals | Krome Studios | Xbox 360 | 10/30/2007 | |
| Viva Piñata: Trouble in Paradise | Rare | Xbox 360 | 9/2/2008 | |
| Banjo-Kazooie: Nuts & Bolts | Rare Ltd. | Xbox 360 | 11/11/2008 | |
| Forza Motorsport 4 | Turn 10 Studios | Xbox 360 | 10/11/2011 | |
| Halo: Combat Evolved Anniversary | 343 Industries | Xbox 360 | 11/15/2011 | |
| Forza Horizon | Playground Games | Xbox 360 | 10/23/2012 | |
| Zoo Tycoon | Frontier Developments | Xbox One | 11/22/2013 | |
| Zoo Tycoon | Frontier Developments | Xbox 360 | 11/22/2013 | |
| Forza Horizon 2 | Sumo Digital | Xbox 360 | 9/30/2014 | |
| Forza Horizon 2 | Playground Games | Xbox One | 9/30/2014 | |
| Project Spark | Team Dakota | Xbox One | 10/7/2014 | |
| Sunset Overdrive | Insomniac Games | Xbox One | 10/28/2014 | |
| ScreamRide | Frontier Developments | Xbox 360 | 3/3/2015 | |
| ScreamRide | Frontier Developments | Xbox One | 3/3/2015 | |
| State of Decay: YOSE | Undead Labs | Xbox One | 4/28/2015 |
As you can see, Halo, and to a lesser extent Gears are massive. Compare that to the sony chart, where Sony has only published 1 game in the last 15 years that got >1,000,000 sales in the first NPD.
