What are all the hats I need to unlock Find Mii 2?

You get all of the hats in Find Mii by completing two playthroughs.

As listed by IGN, the hats from the first playthrough of Find Mii are

• Mario Hat
• Red Pikmin Hat
• Link Hat
• Samus Hat
• Kirby Hat
• Cat Hat
• Dog Hat
• Crown

And the hats from the second playthrough are

• Luigi Hat
• Toad Hat
• Bowser Hat
• Blue Pikmin Hat
• Yellow Pikmin Hat
• Metroid Hat
• Bunny Hat
• Ultimate Hat

The hats you need to unlock Find Mii 2 in the first playthrough are

• mario hat
• red pikmin hat
• link hat
• samus hat
• kirby hat
• cat hat
• dog hat
• regal crown

on the second playthrough the hats are

• luigi hat
• bowser hat
• blue pikmin hat
• toad hat
• bunny hat
• metroid hat
• ultimate hat

but they are in random order but won't effect your progress of getting to find mii 2 but you need to playthrough find mii 1 twice

All you need to do is beat Find Mii 1 twice to get all the hats and then you should have Find Mii 2