In the new Star Ocean Anamnesis game you can play co op with your friends and take on missions together. To do this you need to add your friends to your friend list before you can play co op. Check out this guide to find out how to add friends in Star Ocean Anamnesis.
How To Add Friends In Star Ocean Anamnesis
You will have to complete the tutorial before you can actually add your friends.
Go to the bridge tab and click on the connections button on the right side of the screen, it is right below the achievements button. When you click on this it will pull up a new screen where you can invite friends from facebook and other places. You can also search the area for any nearby players if you really want. Down at the bottom, below the facebook friends button, you will find you Player ID. Use that to have you friend find you and have you friend give you theirs so you can do the same. When you have the Player ID, click on search using Player ID and input the ID there. When the player pops up, click Follow underneath their picture and they will be on your list.
When they are following you and you are following them, you can bring their characters as loan characters more often. Check back soon for more Star Ocean Anamnesis guides.