How to unlock?

[Invasion]

How do you unlock new characters and things such as shoulder pads and torso's ? By playing out the single player ?

[Asmodai]

by playing the SP or for a quick fix, typ unlockallchars in the console

[Invasion]

ok thank you

[VerteX]

use the search feature, 7000th thread about this xD

[Jimmypwns]

Unlock stuff

Akasha:End the final Mission (Obviously)
Scythe:No Idea Really,Just the one after all the Krall battles he is unlocked

All the armor comes with them I think but what does a noob like me know (Just Kidding).