- I Am Alive (Xbox 360)
- I Am Bread (Xbox One)
- I Am Fish (Xbox Series X|S)
- I and Me (Xbox One)
- I Hope (Xbox One)
- I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1 (Xbox 360)
- I Want To Be Human (Xbox One)
- Ice Age Scrat's Nutty Adventure (Xbox One)
- Ice Age: Continental Drift - Arctic Games (Xbox 360)
- Iconoclasts (Xbox One)
- Idle Champions of the Forgotten Realms (Xbox One)
- Ikenfell (Xbox One)
- Illusion of L'Phalcia (Xbox One)
- Immortal Planet (Xbox One)
- Immortal Realms: Vampire Wars (Xbox One)
- Immortal: Unchained (Xbox One)
- Immortality (Xbox Series X|S)
- Immortals Fenyx Rising (Xbox Series X|S)
- In Between (Xbox One)
- In Space We Brawl: Full Arsenal Edition (Xbox One)
- In-vert (Xbox One)
- Indivisible (Xbox One)
- Industria (Xbox Series X|S)
- Inertial Drift (Xbox One)
- Infernax (Xbox Series X|S)
- Inferno 2 (Xbox One)
- Infestor (Xbox Series X|S)
- Infinite Air featuring Mark McMorris (Xbox One)
- Infinite Guitars (Xbox One)
- Infinite Minigolf (Xbox One)
- Infinity Blade Saga (Xbox One)
- Infinity Runner (Xbox One)
- Infliction: Extended Cut (Xbox One)
- Initial2: New Stage (Xbox One)
- Injustice 2 (Xbox One)
- Injustice: Gods Among Us (Xbox 360)
- InnerSpace (Xbox One)
- Inops (Xbox One)
- Insanely Twisted Shadow Planet (Xbox 360)
- Insects: An Xbox One X Enhanced Experience (Xbox One)
- Inside (Xbox One)
- Inside My Radio (Xbox One)
- Insurgency: Sandstorm (Xbox One)
- Intel Discovered (Xbox 360)
- Into the Belly of the Beast (Xbox One)
- ION (Xbox One)
- Iris Fall (Xbox One)
- Iro Hero (Xbox One)
- Iron Brigade (Xbox 360)
- Iron Harvest (Xbox for PC)
- Iron Snout (Xbox One)
- Ironcast (Xbox One)
- Irony Curtain: From Matryoshka with Love (Xbox One)
- Islanders: Console Edition (Xbox Series X|S)
- Isonzo (Xbox Series X|S)
- It came from space and ate our brains (Xbox One)
- It Lurks Below (Xbox One)
- It Takes Two (Xbox Series X|S)
- It's Quiz Time (Xbox One)
- Ittle Dew 2 (Xbox One)
- Izle (Xbox 360)
- Izle (Xbox One)