Fire Emblem: Fuuin no Tsurugi

Hard mode:
Successfully complete the game. When a new game is started, the "Hard" option will be unlocked.

Battle Maps:
Successfully complete the game in normal mode to unlock Battle Map 1 and Battle Map 2. Successfully complete the game in normal mode with the secret ending to unlock Battle Map 3.

Trial Maps:
Successfully complete the game in hard mode to unlock Trial Map 4. Successfully complete the game in hard mode with the secret ending to unlock Trial Map 5.

Sound room:
Successfully complete the game to unlock the "Sound Room" option in the "Extras" menu.

Play as Brenya:
Successfully complete the game four times to unlock Brenya in Battle Map mode.

Play as Eliwood:
Successfully complete the game five times to unlock Eliwood in Battle Map mode.

Play as Gale:
Successfully complete the game two times to unlock Gale in Battle Map mode.

Play as Guinivere:
Successfully complete the game eight times to unlock Guinivere in Battle Map mode.

Play as Hector:
Successfully complete the game three times to unlock Hector in Battle Map mode.

Play as Mardocus:
Successfully complete the game six times to unlock Mardocus in Battle Map mode.

Play as Narshen:
Successfully complete the game one time to unlock Narshen in Battle Map mode.

Play as Zephyr:
Successfully complete the game seven times to unlock Zephyr in Battle Map mode.