1) In the main menu of Aliens: Colonial Marines, select "Extras."
2) Select "Shift Codes" from the "Extras" menu.
3) Choose "Sign Up." SHiFT requires users to be at least 18 years old.
5) Enter your e-mail address and desired SHiFT password (at least 8 characters, must contain uppercase, lowercase, and one number or special character) then choose "Sign Up."
6) Account created! An e-mail will be sent to the address you entered for confirmation.