Find the following weapons or items in the corresponding locations:
Advanced shields In level 1, behind an arch that is behind an AAT.
Advanced blasters In the "Liberation Of Camp 4" level. At the last shield generator, face towards the down-slope and there will be another up slope leading towards the upgrade.
Advanced bombs In the "Glacial Grave" level, on the opposite branch of the river that leads to the gunboat hanger.
Advanced missiles In the beginning of "The Smugglers Alliance" level. Help the civilians, even though the captain tells you not to and a speeder will come out of a homestead. Protect it and it will lead you to a farm with the upgrade.
Homing torpedoes In the "Borvo The Hutt" level. Go northwest of the first battle to find a village among the trees and the upgrade.
Rapid fire lasers Near the end of the "Sancuatary" level. There is a small valley to the right of the main valley. Inside is a volcano and a strange "fairy" object. The upgrade is behind it. Cluster seeker missiles In the second bonus level, "Couruscant Encounter". Turn right immediately after starting to find a brown striped building. Enter the hole in front of it and turn left immediately before the path turns to the right. You will see it to your left.
Unlock the following levels by performing the corresponding tasks:
LEVEL - HOW TO UNLOCK Trade Federation Secrets level - Successfully complete the game with all bronze medals. Couruscant Encounter level - Successfully complete the game with all silver medals. Dark Side bonus level - Successfully complete the game with all gold medals.
Complete the game with all platinum medals to unlock the AAT and the Swamp Speeder. The Swamp Speeder is a fast Republican ship and looks like a flash speeder in boat version. It moves very fast and it can shoot two lasers simultaneously at an extremely fast rate. Its secondary weapon is a heavy laser, just like the Gian Speeder. The AAT is the Trade Federation battle droid tank. The AAT is fairly slow and shoots two lasers simultaneously at a medium-slow rate. Its secondary weapon are projectile bombs.