Two is Better Than One
|Complete 386 areas with one or more other players.|
Every chapter is made up of several (usually 3-4) areas. For these just play co-op campaign with at least one other person. Play through hard and extreme with a friend. After that, just boost 5-2 and 5-3 with a friend. You will most likely need to do this for points and credits anyway.
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User Score is based on 21 user ratings.