Full Metal Alchemist: Dream Carnival

Unlock Lust: Finish any Scenario in story mode.
Unlock Gluttony: Finish Scenario 4.
Unlock Winry: Finish Scenario 5.
Unlock Scar: Finish Scenario 6.

Unlock Greed:
First you have to unlock Scar. After, unlock Ultimate Shield in arcade
mode (minimum A rank necessary), after transmute it alone.

Unlock Izumi:
First you have to unlock Greed. Then, unlock Izumi's Logo in arcade mode,
after transmute it alone.

Unlock Bradley:
Get the Eyepatch (minimum S rank necessary) in arcade mode,
after transmute it alone.

Unlock Wrath:
Get Orobouro's Sign (minimum S rank necessary) in arcade mode, after
transmute it alone.

Secret Scenario 1:
Get Armstrong's Statue (minimum A rank necessary) in arcade mode, after
transmute it alone.

Secret Scenario 2:
Finish Hidden Scenario 1 and get Cow Statue (minimum A rank necessary)
in arcade mode. After, transmute it alone.

UNlock Stage 4 arcade difficulty mode:
Finish levels 1, 2, and 3 in arcade mode after, transmute
Knight + Queen Piece (minimum A rank necessary)