- Babel Rising (Xbox 360)
- Back 4 Blood (Xbox Series X|S)
- Back in 1995 (Xbox One)
- Back to the Future (Xbox 360)
- Back to the Future: The Game - 30th Anniversary Edition (Xbox One)
- BackSlash (Xbox One)
- Bacon Man: An Adventure (Xbox One)
- Bad North: Jotunn Edition (Xbox One)
- BADLAND: Game of the Year Edition (Xbox One)
- Baila Latino (Xbox One)
- Baja: Edge of Control HD (Xbox One)
- Baku Baku Revival (Xbox One)
- Balan Wonderworld (Xbox Series X|S)
- Baldur's Gate and Baldur's Gate II: Enhanced Editions (Xbox One)
- Baldur's Gate: Dark Alliance (Xbox One)
- Bandfuse: Rock Legends (Xbox 360)
- Banjo Kazooie: N n B (Xbox 360)
- Banjo-Tooie (Xbox 360)
- Banner Saga 3 (Xbox One)
- Bard's Gold (Xbox One)
- Baron: Fur Is Gonna Fly (Xbox One)
- Baseball Riot (Xbox One)
- Bastion (Xbox One)
- BATMAN - The Telltale Series (Xbox One)
- Batman: Arkham Asylum (Xbox 360)
- Batman: Arkham City (Xbox 360)
- Batman: Arkham Knight (Xbox One)
- Batman: Arkham Origins (Xbox 360)
- Batman: Arkham Origins Blackgate (Xbox 360)
- Batman: Return to Arkham (Xbox One)
- Batman: The Enemy Within - The Complete Season (Episodes 1-5) (Xbox One)
- Battalion 1944 (Xbox One)
- Battle Academy (Xbox 360)
- Battle Ages (Xbox One)
- Battle Chasers: Nightwar (Xbox One)
- Battle High 2 A+ (Xbox One)
- Battle Islands (Xbox One)
- Battle Islands: Commanders (Xbox One)
- Battle Worlds: Kronos (Xbox One)
- BattleBlock Theater (Xbox 360)
- Battleborn (Xbox One)
- Battlefield 1 (Xbox One)
- Battlefield 1943 (Xbox 360)
- Battlefield 2042 (Xbox Series X|S)
- Battlefield 4 (Xbox 360)
- Battlefield 4 (Xbox One)
- Battlefield Hardline (Xbox 360)
- Battlefield V (Xbox One)
- Battlefield: Hardline (Xbox One)
- Battleship (Xbox One)
- Battlestar Galactica Deadlock (Xbox One)
- Battletoads (Xbox One)
- Bayonetta (Xbox 360)
- Bayonetta (Xbox One)
- Beach Buggy Racing (Xbox One)
- Beacon (Xbox One)
- Bear With Me: The Lost Robots (Xbox One)
- Beat Cop (Xbox One)
- Beatbuddy: Tale of the Guardians (Xbox One)
- Beatsplosion for Kinect (Xbox One)
- Bedlam (Xbox One)
- Bee Simulator (Xbox One)
- Before I Forget (Xbox Series X|S)
- Beholder 2 (Xbox One)
- Beholder Complete Edition (Xbox One)
- Below (Xbox One)
- Ben 10 (Xbox One)
- Ben 10: Omniverse 2 (Xbox 360)
- Bendy and the Ink Machine (Xbox One)
- Beyond Blue (Xbox One)
- Beyond Enemy Lines 2 (Xbox One)
- Beyond Eyes (Xbox One)
- Beyond Good & Evil (Xbox)
- Beyond Good & Evil 2 (Xbox One)
- Beyond: Flesh and Blood (Xbox One)
- Big League Sports (Xbox 360)
- Big Pharma (Xbox One)
- Bike Mayhem 2 (Xbox One)
- Binary Domain (Xbox 360)
- Biomutant (Xbox One)
- Bioshock (Xbox 360)
- Bioshock Infinite (Xbox 360)
- BioShock: The Collection (Xbox One)
- Bird Game (Xbox One)
- Bite The Bullet (Xbox One)
- Black & White Bushido (Xbox One)
- Black Desert (Xbox One)
- Black Mirror (Xbox One)
- Black Paradox (Xbox One)
- Black The Fall (Xbox One)
- Blackguards - Definitive Edition (Xbox One)
- Blackhole: Complete Edition (Xbox One)
- Blacksad: Under the Skin (Xbox One)
- Blackwater (Xbox 360)
- Blackwood Crossing (Xbox One)
- Blade & Bones (Xbox One)
- Blade Runner: Enhanced Edition (Xbox One)
- Bladestorm: Nightmare (Xbox One)
- Blair Witch (Xbox One)
- Blasphemous (Xbox One)
- Blast 'Em Bunnies (Xbox One)
- Blast Zone Tournament (Xbox One)
- Blazblue Chronophantasma Extend (Xbox One)
- BlazBlue: Chrono Phantasma Extend (Xbox One)
- Blazing Chrome (Xbox One)
- Bleeding Edge (Xbox One)
- Bless Unleashed (Xbox One)
- Blinx: The Time Sweeper (Xbox)
- Blood Bowl 2 (Xbox One)
- Blood of The Werewolf (Xbox 360)
- Blood Waves (Xbox One)
- Bloodroots (Xbox Series X|S)
- Bloodstained: Curse of the Moon (Xbox One)
- Bloodstained: Ritual of the Night (Xbox One)
- Bloons TD 5 (Xbox One)
- Blue Angels (Xbox One)
- Blue Angels Aerobatic Flight Simulator (Xbox One)
- Blue Estate (Xbox One)
- Blues and Bullets - Episode 1 (Xbox One)
- Blues and Bullets - Episode 2 (Xbox One)
- Blur (Xbox 360)
- Boggle (Xbox One)
- Bomber Crew (Xbox One)
- Bombfest (Xbox One)
- Bombshell (Xbox One)
- Bonded (Xbox One)
- Book of Demons (Xbox One)
- Boom Ball for Kinect (Xbox One)
- Boomerang Fu (Xbox One)
- Borderlands 2 (Xbox 360)
- Borderlands 3 (Xbox One)
- Borderlands Legendary Collection (Xbox One)
- Borderlands: Game of the Year Edition (Xbox One)
- Borderlands: The Handsome Collection (Xbox One)
- Borderlands: The Pre-Sequel (Xbox 360)
- Bouncy Bullets (Xbox One)
- Bound By Flame (Xbox 360)
- Bounty Battle (Xbox One)
- Bow to Blood: Last Captain Standing (Xbox One)
- BPM: Bullets Per Minute (Xbox Series X|S)
- BQM - BlockQuest Maker (Xbox One)
- Braid (XBLA)
- Brave: The Video Game (Xbox 360)
- Brawlhalla (Xbox One)
- Brawlout (Xbox One)
- Breach & Clear: Deadline (Xbox One)
- Breakdown (Xbox)
- Breathedge (Xbox One)
- Brick Breaker (Xbox One)
- Bridge Constructor (Xbox One)
- Bridge Constructor Portal (Xbox One)
- Bridge Constructor: The Walking Dead (Xbox Series X|S)
- Brief Battles (Xbox One)
- Bright Memory (Xbox Series X|S)
- Bright Memory: Infinite (Xbox Series X|S)
- Bring To Light (Xbox One)
- Broken Sword 5: The Serpent's Curse (Xbox One)
- Brothers In Arms: Furious 4 (Xbox 360)
- Brothers in Arms: Road to Hill 30 (Xbox)
- Brothers: A Tale of Two Sons (Xbox 360)
- Brothers: A Tale of Two Sons (Xbox One)
- Brunch Club (Xbox One)
- Brunswick Pro Bowling (Xbox 360)
- Brunswick Pro Bowling (Xbox One)
- Brütal Legend (Xbox 360)
- Brutal Rage (Xbox One)
- Bucket Knight (Xbox One)
- Bug Fables: The Everlasting Sapling (Xbox One)
- Buildanauts (Xbox One)
- Bulletstorm: Full Clip Edition (Xbox One)
- Bully: Scholarship Edition (Xbox 360)
- Bunny Parking (Xbox One)
- Burnout (Xbox)
- Burnout 3: Takedown (Xbox)
- Burnout CRASH! (Xbox 360)
- Burnout Paradise (Xbox 360)
- Burnout Paradise Remastered (Xbox One)
- Bus Simulator (Xbox One)
- Bush Hockey League (Xbox One)
- Button City (Xbox Series X|S)