You've acquired S Rank in "Showdown Between Best Friends".

You can now use Kakashi, Yamato, Guy and Asuma.

You've cleared Chapter One.

You've picked up 500 items.

You've cleared the Prologue.

You destroyed the train.

You destroyed 50 vehicles.

You played 'Bird Blast.'

You sent the Nazi zeppelin down in flames.

You obtained your first silver perk.

You completed a mission without raising alarm.

You escaped from Germany.