Bridge Constructor Portal
achievement guide & roadmap
Condolence Letter Delivery Boom
50 test vehicles destroyed in "Portal Proficiency"
0.4%
No guide has been input for this achievement yet
For More Science!
5,000 Portal Transitions
2%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
No Hard Feelings
First turret decommissioned
41.5%
Kind:
Objective
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
Centrifugal Convoy Adjustment System
Passed through the same portal 15 times
3%
Kind:
Objective
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
Full Chief Custodian candidate
Finish every test chamber in Chapter 5
5.4%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
Post-Insignificance
Finish every test chamber in Chapter 3
13.8%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
Food and Artificial Sunlight
Finish every test chamber in Chapter 2
22.6%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
Criação de Túneis Avançada
Finish every test chamber in Chapter 2 of "Portal Proficiency".
0%
No guide has been input for this achievement yet
Extended Testing Opportunity
Finish every test chamber in Chapter 1
45%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
You monster.
100 Test Vehicles destroyed
15.6%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
For Science!
1,000 Portal Transitions
11.1%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
0% Non-Delivery
60 convoys delivered
1.7%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
66% Delivery
40 convoys delivered
6.7%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
66% Loss
20 convoys delivered
19.2%
Kind:
Grind
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
Aerial Mobility Support System
Bounced 25 times on the repulsion gel with the same vehicle
4.3%
Kind:
Objective
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
Entry-Exit Relay Repeater System
30 times back and forth through the same portal
2.3%
Kind:
Objective
Missable?
Optional
Multiplayer?
Anywhere
Glitched?
No known glitches
Official Pre-Admittance
Finish every test chamber in Chapter 4
8.7%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
Spectacularly Lonely
Finish every test chamber in Chapter 6
2.6%
Kind:
Story
Missable?
Unmissable
Multiplayer?
Anywhere
Glitched?
No known glitches
Advanced Tunneling
Finish every test chamber in Chapter 2 of "Portal Proficiency".
0.5%
No guide has been input for this achievement yet
Tunneling at Full Capacity
Maximum amount of portals successfully used in a test run.
0.2%
No guide has been input for this achievement yet
Profound Portal Proficiency
Finish every test chamber in Chapter 3 of "Portal Proficiency".
0.2%
No guide has been input for this achievement yet
Principals of Portalability
Finish every test chamber in Chapter 1 of "Portal Proficiency".
0.4%
No guide has been input for this achievement yet
Portal Deficiency Certificate
10 times tried to start a test run with an uncorrectly placed portal.
0.5%
No guide has been input for this achievement yet
Deliverance from Non-delivery
First job for the Condolence Letter Delivery Fleet provided.
0.7%
No guide has been input for this achievement yet
Convoyability 30
30 convoys delivered in the Portal Proficiency initiative
0.2%
No guide has been input for this achievement yet
Convoyability 20
20 convoys delivered in the Portal Proficiency initiative
0.3%
No guide has been input for this achievement yet
Convoyability 10
10 convoys delivered in the Portal Proficiency initiative
0.3%
No guide has been input for this achievement yet