Alien Front Online

MechAssault was the first BattleMech video game published for the Xbox. Developed by Day 1 Studios and published by Microsoft, MechAssault was initiated when Denny Thorley of Day 1 Studios approached Jon Kimmich of Microsoft about developing an original BattleTech game built from the ground up to support console play.[1] "MechAssault" was released in November of 2002. A sequel, MechAssault 2: Lone Wolf, was released on December 28, 2004. Both games are set in the BattleTech fictional universe

Based on the original PlayStation game of the same name, Warhawk for the PlayStation 3 opts for team-based multiplayer action on the ground and in the air instead of single-player flight combat.

Venom. Codename: Outbreak is a tactical 3D-shooter set in the near future. Your aim is to oppose an alien invasion on Earth and protect the human race from extermination while evil parasites continue turning people into mind-killing beasts. Together with a teammate, you play the role of an ex-Ukranian combat group member - and your primary goal is to progress through 14 action-packed single-player missions or play via multiplayer with your friends over a LAN connection.

News has come back to Earth of an intergalactic war rapidly approaching. There is only one hope left. You.

Battle Tanks (called “Tank Battles” outside North America) is a World War II themed multidirectional shooter Inspired by classics like Combat for the Atari 2600, and the arcade game Tank Force.

This game is a sequel to the first Pursuit Force. This is a game which alternates between driving and shooting, in which you must keep Capital City safe from five ruthless and well-equipped gangs.

Set in the near-future of 2009, the game primarily revolves around controlling vehicles and turrets to fight alien invaders of Earth.

Four months after Kal Wardin defeated the Volterites, President Folsom is assassinated and the beleaguered colonies surrender to the Volterite Protectorate. Since then, Kal has been lying low, but a desperate plea from Yelena calls him back to save Earth and humankind…

Halo Online was a free-to-play multiplayer-only Halo game that was tested exclusively in Russia. The game was cancelled on August 24, 2016, when the developer, Saber Interactive, announced that "the current form of Halo Online will not be released." The reason they gave for the cancellation was that Microsoft had "failed to [make] decisions on the future of the project."

Free to play multiplayer shooter set in 2159, in which player controls and customizes his own tank and takes it into battles for extremely rare mineral called Carretium against other players.