# Must I finish every mission to unlock Insane, or just the last one?

• To unlock Insane mode, I read that I need to finish the game. Does this mean every single mission, or can I just finish the last mission in someone else's game (co-op) to unlock Insane?

• I decided to test this, and beating Myrrah was not enough: indeed, you must finish every mission (on any difficulty) to unlock Insane mode.

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