While playing, hold LT and press A, RT, Y, RT, X, LB.
One hit kills:
Reveal enemy health:
Environment Concept Art for Arctic Sea and Amelia Concepts: Complete Arctic Sea.
Treasure Hunt mode:
Prologue 25 points: Complete the Prologue.
Additionally there are seven secret achievements.
Mediterranean Sea Expedition 50 points: Mediterranean Sea Expedition successfully completed.
December 15, 2008 - 8:51am