MEDAL OF HONOR: RISING SUN UNLOCKABLES
Multi-player skins
If you receive a medal for a mission, you also will receive a skeleton key which opens a small box which contains a new skin for multi-player mode. There is one box per mission with the exception of the Pearl Harbor mission.
Bridge on the River Kwai Bonus objectives
Eliminate ten enemies at checkpoint. Disable the dock.
Day of Infamy Bonus objectives
Help the crewman shut the hatch. Save the crewman with the fire extinguisher.
Fall of the Philippines Bonus objectives
Find the gold Buddha. Find a picture of a Japanese general.
In Search of Yamashita's Gold Bonus objectives
Destroy the radio equipment. Destroy five sake water barrels.
Midnight Raid On Guadalcanal Bonus objectives
Find five pieces of intel, Blow up the generator.
Pearl Harbor Bonus objectives
Shoot down 20 planes. Shoot down 75 planes.
Pistol Pete Showdown Bonus objectives
Take over the howitzer. Save Lt. Harrison (press Action near him when he is on the last bridge).
Singapore Sling Bonus objectives
Save three POWs. Find three pieces of intel.
American Campaign
Mission 5: 75% accuracy, less than 50 hits, complete two bonus objectives (Storm Pack Howitzer and Save Lt. Harrison). Get a three gold stars rank on a level to receive the corresponding medal. The requirements are as follows. To receive the Navy Cross, get a medal on every mission.