30 convoys delivered in the Portal Proficiency initiative
Finish every test chamber in Chapter 3 of "Portal Proficiency".
50 test vehicles destroyed in "Portal Proficiency"
20 convoys delivered in the Portal Proficiency initiative
Finish every test chamber in Chapter 2 of "Portal Proficiency".
Maximum amount of portals successfully used in a test run.
10 convoys delivered in the Portal Proficiency initiative
Finish every test chamber in Chapter 1 of "Portal Proficiency".
First job for the Condolence Letter Delivery Fleet provided.
10 times tried to start a test run with an uncorrectly placed portal.
5,000 Portal Transitions
Bounced 25 times on the repulsion gel with the same vehicle
30 times back and forth through the same portal
Passed through the same portal 15 times
60 convoys delivered
Finish every test chamber in Chapter 6
Finish every test chamber in Chapter 5
1,000 Portal Transitions
40 convoys delivered
Finish every test chamber in Chapter 4
100 Test Vehicles destroyed
Finish every test chamber in Chapter 3
20 convoys delivered
Finish every test chamber in Chapter 2
First turret decommissioned
Finish every test chamber in Chapter 1