Which of the Halo games Campaign is better:

Halo: Combat Evolved,

Halo: Combat Evovled (PC),

Halo 2,

Halo 3,

or Halo Wars

(and soon being added to poll some time after september 22, 2009, Halo 3 ODST)

Please post your thoughts as a comment, and please, answer the question only. DO NOT and i can't stress this enough, DO NOT spam other people, or me. Have a good attitude, don't be mean to others 'cause of their thoughts, and again, DON'T SPAM!