Bridge Constructor Portal achievements

13.58%

Centrifugal Convoy Adjustment System

Passed through the same portal 15 times

13.73%

Full Chief Custodian candidate

Finish every test chamber in Chapter 5

14.35%

66% Delivery

40 convoys delivered

14.35%

Aerial Mobility Support System

Bounced 25 times on the repulsion gel with the same vehicle

18.06%

Official Pre-Admittance

Finish every test chamber in Chapter 4

21.91%

For Science!

1,000 Portal Transitions

25.93%

Post-Insignificance

Finish every test chamber in Chapter 3

30.40%

You monster.

100 Test Vehicles destroyed

38.73%

66% Loss

20 convoys delivered

44.29%

Food and Artificial Sunlight

Finish every test chamber in Chapter 2

88.43%

No Hard Feelings

First turret decommissioned

98.30%

Extended Testing Opportunity

Finish every test chamber in Chapter 1