As of now, unless you have access to a modded Xbox 360, and figure out a way to move the map files in half life 2 into the place where the portal map files are, then no.
No
You know you can play ALL Xbox games on the 360?
You can't
Gun was released for XBox, XBox 360, GameCube, PC and PS2, then later PSP also.
she is a character in The Gun stringer for the Xbox 360 Kinect.
its obviosly ps3
yes stupid
Red Dead Redemption, Gun,
search Portal gun DIY indymogul on you tube for instructions on how to MAKE your own portal gun
one is 3ark intel= all weapons
hold left trigger or left bumper
for xbox 360 press and hold y but you have to unlock it first