Halo X Terminator

Halo x Terminator is a crossover game between the Halo series and the Terminator movies. It is a multiplayer first person shooter solely for the Xbox 360 and Xbox One. It is developed by Microsoft and 343 Studios with help from Midway and WB Studios.

Story
This game takes place in an alternate universe/timeline before the events of Halo 3.

Master Cheif's Beginning
The game starts with a cutscene of Master Chief setting a bomb on a large Covenant ship and running to an escape ship at the bottom. Once he gets in it, he notices that he hasn't seen this type of Covenant ship before. He tries to take off but it fails at first, but then, when he messes with a few wires, the ship blasts out of the hangar with a dark blue glow following it at lightspeed. The ship then spins out and vanishes in a flash. The ship appears somewhere new, not but a few miles from a planet similar to Earth. He crash lands and his story begins on Earth in 20XX. In the Timeline of The Terminator

The Terminator's Beginning
The Terminator is fighting against his own kind along John Connor and the rest of the human resistance. He is running along, zapping a few T-800s when he see that dark blue glow crash land a few miles away from the electronic battlefield. The Terminator gets on his motorcycle to go investigate the crash when he hears a voice in his head. It is the voice of Cortana, and she is pleading him for his help. When he gets there, he find Chief and rips him out of the broken spaceship.

Plot
Master Chief was that boost that the rebellion needed to fight against the T-800s, he and The Teminator take on the mission that noone else could do, destroy Skynet and bring peace to the world. But The Covenant want in on this too. Using the same technology as Master Chief (But less broken), they follow Chief and try to get ahold of Skynet's amazing robots. Alas, they fail because the heroes beat them to it, and destroyed it. The humans than quickly use the super weapons to successfully ward off the Covenant in the last misson.

Gameplay
You can choose to start as either of the 2 main characters: Master Chief or The Terminator and fight against The T-800s and The Covenant.