What xbox 360 game is almost alike to halo 3?

[Hector]

i want to get a game that is like halo 3 for example the weapons or like make a map or updaet armor change speed and gravity so and so please help!

 

[sleepydad]

Unreal Tournament is the only thing that comes to mind. I'm not sure you can change gravity and speed though.
It isn't "just like" halo but its somewhat like it. Its a FPS and you have team games similar to Halo ..large variety of weapons too.

 

[solid snake]

Gears of War I think. .

 

[casey]

its not really like halo but if your looking to switch up games i highly recommend Call of Duty Modern Warfare great shooter game online

 

[Todd]

Mass Effect
sci-fi games

 

[Todd]

Mass Effect
sci-fi games