Leading with a gameplay demo of Halo 5: Guardians, the press conference focused on the range of exclusives that'll be available on Xbox One, including the news that Tom Clancy's The Division will be available first on Xbox One as a beta.
Other exclusive titles included the new game from legendary developers Rare: Sea of Thieves. An open-world pirate game, Sea of Thieves allows you to team up with other players and sail the high seas as a crew.
The fan-favourites of course were the unveiling of both Gears of War 4 and Halo 5: Guardians, both flagship games for Xbox One.
Rise of the Tomb Raider also made an appearance with a stunning demo that saw young protagonist Lara Croft try and battle her way across a giant ice cliff.
Without further ado, here are the biggest games announced at Xbox: