work it out your self you lazy noob
What do you mean "How do you play solo campaign on Halo 3?" Just go to the Main Menu and select campaign and start Solo Campaign.
start up halo 3 once on the main menu go to the to the top of all the options and click on solo campaign any select a difficulty and start playing!
no it is a map you unlock after you beat solo campaign or you can unlock it by imputting a code into the computer in the main menu
You can actually check by going to the Campaign Menu (Solo or Co-op doesn't matter) and pressing the "X" Button. It will Ssow the Skulls that you have collected and have not.
The only way to perfect a NYYSMA solo is by practicing the instrument that you are using for the solo. You can work closely with a person who has completed the program to get great insider tips.
Story mode is under Solo missions choose it with A then press A on the missions complete them and you will get more. Complete all missions on perfect agent to get all the secret missions.
No, Dead Space 2's campaign mode will be completely solo.
Solo Campaign Co-Operative Campaign Nazi Zombies Multiplayer Options Credits
Han Solo's son Jacen Solo turned to the dark side and became known as Darth Caedus.
Finish solo campaign in any difficulty. After the final mission their will be credits. After the credits you will see Nazi Zombies. Now you have unlocked Zombie mode. *You must beat campaign in solo*
PERFECT INSANITY
Unfortunately, no. Starting a new campaign or playing arcade mode to play a certain level will overwrite your current campaign.