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No, Halo 1 and Halo 2 and have different story's
you complete the propasal missions to get a spouse
there are 40 story missions in the story mode and more then 60 side missions.
there are 39 story missions in inFAMOUS
25 story missions
Beat the Heroes Story Mode to get Storm's Missions and The Babylonian Story. Beat Babylonian Story to get Wave's missions. Get 50 points on the Heroes and Babylonian Prix and beat Wave's and Storm's missions to get Jet's missions.
There are 9 main story missions.
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.
to get more missions you clear the story mode and then clear more missions.
I may be off but Im pretty sure there are 94 story missions with like 30 car theft missions and about 10-14 friend missions
In story mode(adventure tours) complete ten missions with one character then you will have that characters emblem
5 there are 5 missions in the separate ways mini-story
700