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