Mission 2: Destroy all Trade Federation Carriers.
Mission 3: Destroy all station doors.
Mission 4: Destroy all Trade Federation Sub docks.
Mission 5: Protect all buildings.
Mission 6: Destroy all containers.
Mission 7: Destroy all Sabaoth crafts.
Mission 8: Destroy all defense barracks.
Mission 9: Prevent all Drop Ships from landing.
Misson 10: Destroy "Reavers".
Mission 11: Destroy all Missile Frigate groups.
Mission 12: Destroy Cruiser without using the orbital cannon.
Mission 13: Lose no Clones.
Mission 14: Remove all of Toth's shields.
Mission 15: Destroy all turrets on Destroyers and Flagships.
in the mount Meraken level after you've destroyed about 80 percent of the buildings and the fire comes out of the pipes, look into one that is not burning. You will see 3 easter eggs.
Droid in the Snow:
In the same level there are two landing platforms go to the one built against the mountain. Hover between the peek of the mountain and the platform. You will see a big pipe. If you're in the correct are you'll see a little wite dot at the foot of the mountain. zoom in on it and you will see a droid building a snowman