System Link

• 1). Turn off both Xbox 360 consoles before connecting them. Use a long enough Ethernet cable to make the connection.
  
  
• 2). Plug one end of the Ethernet cable into one of the Xbox 360 consoles' ports found on the back of the system. Plug the other end into the other console.
  
  
• 3). Plug the consoles into separate televisions and turn them on. Insert a copy of "Crackdown" into each console.
  
  
• 4). Sign-in using gamertags to be able to save game progress.
  
  
• 5). Select the "Campaign" option on the main menu when "Crackdown" loads. Select the option for "Co-Op" gameplay and then choose the "System Link" option.
  
  

Xbox Live

• 1). Connect the Xbox 360 console to the Internet via a wired or wireless Internet connection.
  
  
• 2). Turn on your system and sign onto Xbox Live with your gamertag by pressing the Guide button on your Xbox 360 controller and choosing the "Sign-in" option. Your gamertag must have an Xbox Live Gold membership.
  
  
• 3). Insert "Crackdown" into the Xbox 360 and push the "Guide" button again. Select the "Friends" option and invite an online friend to play a "Co-Op" game. They must also have a copy of "Crackdown."
  
  
• 4). Select the "Campaign" option on the main menu when "Crackdown" loads. Select the "Co-Op" gameplay option and then choose the "Xbox Live" option.