| Title | Region | Version | Languages | Rating |
| 9Wabbits! Jumping for Fun XBLIG | | 1.0 | - | none |
| 9Wacky Karts XBLIG | | 1.0 | - | none |
| 9Wacky Water Fun: Shooting Gallery XBLIG | | 1.0 | - | none |
| 9Wacky Waving I. A. F. Avatars XBLIG | | 1.0 | - | none |
| 9Walketh XBLIG | | 1.0 | - | none |
| 9Walking Dead, The: Michonne - Episode 1 - In Too Deep XBLA | | 1.0 | - | none |
| 9Walking Dead, The: Season One - Episode 1 - A New Day XBLA | | 1.0 | - | none |
| 9Walking Dead, The: Season Two - Episode 1 - All That Remains XBLA | | 1.0 | - | none |
| 9Wall, The XBLIG | | 1.0 | - | none |
| 9Wallace & Gromit's Grand Adventures: Episode 1 - Fright of the Bumblebees XBLA | | 1.0 | - | none |
| 9Wallace & Gromit's Grand Adventures: Episode 2 - The Last Resort XBLA | | 1.0 | - | none |
| 9Wallace & Gromit's Grand Adventures: Episode 3 - Muzzled! XBLA | | 1.0 | - | none |
| 9Wallace & Gromit's Grand Adventures: Episode 4 - The Bogey Man XBLA | | 1.0 | - | none |
| 9Wanderer XBLIG | | 1.0 | - | none |
| 9War in Box XBLIG | | 1.0 | - | none |
| 9War of the End of the Days, The XBLIG | | 1.0 | - | none |
| 9War of the Worlds, The XBLA | | 1.0 | - | none |
| 9War of Words XBLIG | | 1.0 | - | none |
| 9War Rapier 43210 XBLIG | | 1.0 | - | none |
| 9War Ships XBLIG | | 1.0 | - | none |
| 9War World: Tactical Combat XBLA | | 1.0 | - | none |
| 9War: The Card Game Advanced XBLIG | | 1.0 | - | none |
| 9Warbirds at Work XBLIG | | 1.0 | - | none |
| 9Warhammer 40000: Kill Team XBLA | | 1.0 | - | none |
| 9Warhounds XBLIG | | 1.0 | - | none |
| 9Warlock XBLIG | | 1.0 | - | none |
| 9Warlords XBLA | | 1.0 | - | none |
| 9Warlords 2012 XBLA | | 1.0 | - | none |
| 9Warp XBLA | | 1.0 | - | none |
| 9Warp Shooter XBLIG | | 1.0 | - | none |
| 9Warped Retro XBLIG | | 1.0 | - | none |
| 9Warr XBLIG | | 1.0 | - | none |
| 9Warriors, The: Street Brawl XBLA | | 1.0 | - | none |
| 9Warthog Wars XBLIG | | 1.0 | - | none |
| 9Washington's Wig XBLIG | | 1.0 | - | none |
| 9Watchmen: The End is Nigh - Part I XBLA | | 1.0 | - | 10.0 |
| 9Watchmen: The End is Nigh - Part II XBLA | | 1.0 | - | none |
| 9Way of the Dogg XBLA | | 1.0 | - | 8.0 |
| 9Way of the Exploding Balls XBLIG | | 1.0 | - | none |
| 9Wayne the Brain and the Insane Physics Crane XBLIG | | 1.0 | - | none |
| 9We Are Cubes XBLIG | | 1.0 | - | none |
| 9We Come in Peace XBLIG | | 1.0 | - | none |
| 9Weapon of Choice XBLIG | | 1.0 | - | none |
| 9Werewolf Hallow XBLIG | | 1.0 | - | none |
| 9West XBLIG | | 1.0 | - | none |
| 9Whack Em... in a Hole! XBLIG | | 1.0 | - | none |
| 9Whakman XBLIG | | 1.0 | - | none |
| 9What the! XBLIG | | 1.0 | - | none |
| 9When Maidens Attack XBLIG | | 1.0 | - | none |
| 9When Zombies Meet Avatars XBLIG | | 1.0 | - | none |
| 9WhipCrack XBLIG | | 1.0 | - | none |
| 9White Noise Online XBLIG | | 1.0 | - | none |
| 9White Noise: A Tale of Horror XBLIG | | 1.0 | - | none |
| 9Who Did I Date Last Night XBLIG | | 1.0 | - | none |
| 9Who Is God XBLIG | | 1.0 | - | none |
| 9Who Is the Best: Math XBLIG | | 1.0 | - | none |
| 9Who Wants to Be a Millionaire: Special Editions XBLA | | 1.0 | - | none |
| 9Who's Gonna Get the Girl XBLIG | | 1.0 | - | none |
| 9Who's the Daddy XBLIG | | 1.0 | - | none |
| 9Who's the Daddy 2 XBLIG | | 1.0 | - | none |
| 9Why Did I Buy This XBLIG | | 1.0 | - | none |
| 9Wik and the Fable of Souls XBLA | | 1.0 | - | 8.0 |
| 9Wiki Read: Wikipedia for Xbox XBLIG | | 1.0 | - | none |
| 9WineHead XBLIG | | 1.0 | - | none |
| 9Wing Commander Arena XBLA | | 1.0 | - | none |
| 9Wirral Railway & Garden Plants in Britain XBLIG | | 1.0 | - | none |
| 9WispLisp Array of List XBLIG | | 1.0 | - | none |
| 9Without Escape XBLIG | | 1.0 | - | none |
| 9Wits and Wagers XBLA | | 1.0 | - | none |
| 9Wiwi's Adventures 2 XBLIG | | 1.0 | - | none |
| 9Wiwi's Adventures 3 XBLIG | | 1.0 | - | none |
| 9Wizard Apprentice XBLIG | | 1.0 | - | none |
| 9Wizard Monkeys XBLIG | | 1.0 | - | none |
| 9Wizard Rage XBLIG | | 1.0 | - | none |
| 9Wizard's Keep XBLIG | | 1.0 | - | none |
| 9Wizard's Odyssey, A XBLIG | | 1.0 | - | none |
| 9Wizard's Tower Screen Saver XBLIG | | 1.0 | - | none |
| 9Wizards Who Fell in a Hole, The XBLIG | | 1.0 | - | none |
| 9Wizorb XBLIG | | 1.0 | - | none |
| 9Wolf Among Us, The: Episode 1 - Faith XBLA | | 1.0 | - | none |
| 9Wolf of the Battlefield: Commando 3 XBLA | | 1.0 | - | 7.0 |
| 9Wolfenstein 3D XBLA | | 1.0 | - | 7.5 |
| 9Wool XBLIG | | 1.0 | - | none |
| 9Wooopup! XBLIG | | 1.0 | - | none |
| 9Word Attack Action XBLIG | | 1.0 | - | none |
| 9Word Cheat XBLIG | | 1.0 | - | none |
| 9Word Duelist XBLIG | | 1.0 | - | none |
| 9Word Puzzle XBLA | | 1.0 | - | none |
| 9Word Search XBLIG | | 1.0 | - | none |
| 9Word Soup XBLIG | | 1.0 | - | none |
| 9Words in a Word XBLIG | | 1.0 | - | none |
| 9Words of Wisdom XBLIG | | 1.0 | - | none |
| 9Words Search XBLIG | | 1.0 | - | none |
| 9Wordsearch Rush XBLIG | | 1.0 | - | none |
| 9WordWise XBLIG | | 1.0 | - | none |
| 9Wordzy XBLIG | | 1.0 | - | none |
| 9World Clock XBLIG | | 1.0 | - | none |
| 9World Gone Sour XBLA | | 1.0 | - | 10.0 |
| 9World Molder XBLIG | | 1.0 | - | none |
| 9World of Keflings, A XBLA | | 1.0 | - | none |
| 9World of Tanks | | 1.0 | - | none |
| 9World Revolution: The Last Defense XBLIG | | 1.0 | - | none |
| 9World Series of Poker: Full House Pro XBLA | | 1.0 | - | none |
| 9World War Toon XBLIG | | 1.0 | - | none |
| 9World Wars II: Pacific Conflicts XBLIG | | 1.0 | - | none |
| 9World Wars: European Conflicts XBLIG | | 1.0 | - | none |
| 9World's Best Freaking Card Game XBLIG | | 1.0 | - | none |
| 9Worms XBLA | | 1.0 | - | none |
| 9Worms 2: Armageddon XBLA | | 1.0 | - | none |
| 9Worms Revolution XBLA | | 1.0 | - | none |
| 9Worms: Ultimate Mayhem XBLA | | 1.0 | - | none |
| 9WRC: Powerslide XBLA | | 1.0 | - | none |
| 9Wreckateer XBLA | | 1.0 | - | 10.0 |
| 9Wrecked: Revenge Revisited XBLA | | 1.0 | - | none |
| 9Wright Brothers' Mysteries XBLIG | | 1.0 | - | none |
| 9Write Your Own Music XBLIG | | 1.0 | - | none |
| 9Writer's Block XBLIG | | 1.0 | - | none |
| 9Wushi XBLIG | | 1.0 | - | none |
| 9Wyv and Keep XBLIG | | 1.0 | - | none |
