Clouds Of Twilight level:
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Successfully complete Level 9A or 9B (Iceberg Base or Sea of Clouds)
with at least a four star rank in Arcade or Score Attack mode to play
the Clouds Of Twilight level instead of the Sea Of Twilight level that
normally follows. Note: To get a star, complete a stage with at least
50% shot down. You will lose one star if you are shot down. You will
lose all stars if you have to use a continue.
Golden Valley level:
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Successfully complete Level 5 (Coastal Industrial Zone) with at least a
four star rank in Arcade or Score Attack mode to play the Golden Valley
level instead of the Great River Valley level that normally follows.
Note: To get a star, complete a stage with at least 50% shot down. You
will lose one star if you are shot down. You will lose all stars if you
have to use a continue.
