Bridge Constructor Portal

Achievements

• 

  Extended Testing Opportunity

  Finish every test chamber in Chapter 1

  Common52.0% of players
  19 EXP
• 

  No Hard Feelings

  First turret decommissioned

  Uncommon48.0% of players
  21 EXP
• 

  Food and Artificial Sunlight

  Finish every test chamber in Chapter 2

  Uncommon25.0% of players
  30 EXP
• 

  66% Loss

  20 Convoys delivered

  Uncommon21.6% of players
  32 EXP
• 

  You monster.

  100 Test Vehicles destroyed

  Rare17.7% of players
  35 EXP
• 

  Post-Insignificance

  Finish every test chamber in Chapter 3

  Rare15.0% of players
  37 EXP
• 

  For Science!

  1,000 Portal Transitions

  Rare12.5% of players
  40 EXP
• 

  Secret achievement

  Keep playing to reveal it.

  Rare10.6% of players
  42 EXP
• 

  Official Pre-Admittance

  Finish every test chamber in Chapter 4

  Rare9.0% of players
  45 EXP
• 

  Secret achievement

  Keep playing to reveal it.

  Rare7.1% of players
  48 EXP
• 

  66% Delivery

  40 Convoys delivered

  Rare6.7% of players
  49 EXP
• 

  Full Chief Custodian candidate

  Finish every test chamber in Chapter 5

  Rare5.4% of players
  52 EXP
• 

  Secret achievement

  Keep playing to reveal it.

  Epic4.1% of players
  56 EXP
• 

  Aerial Mobility Support System

  Bounced 25 times on the repulsion gel with the same vehicle

  Epic4.1% of players
  56 EXP
• 

  Spectacularly Lonely

  Finish every test chamber in Chapter 6

  Epic2.9% of players
  61 EXP
• 

  Principals of Portalability

  Finish every test chamber in Chapter 1 of "Portal Proficiency".

  Epic2.8% of players
  62 EXP
• 

  For More Science!

  5,000 Portal Transitions

  Epic2.6% of players
  63 EXP
• 

  Convoyability 10

  10 convoys delivered in the Portal Proficiency initiative

  Epic2.4% of players
  64 EXP
• 

  Centrifugal Convoy Adjustment System

  Passed through the same portal 15 times

  Epic2.1% of players
  66 EXP
• 

  Advanced Tunneling

  Finish every test chamber in Chapter 2 of "Portal Proficiency".

  Epic1.9% of players
  67 EXP
• 

  Convoyability 20

  20 convoys delivered in the Portal Proficiency initiative

  Epic1.8% of players
  68 EXP
• 

  0% Non-Delivery

  60 Convoys delivered

  Epic1.7% of players
  69 EXP
• 

  Tunneling at Full Capacity

  Maximum amount of portals successfully used in a test run.

  Epic1.7% of players
  69 EXP
• 

  Entry-Exit Relay Repeater System

  30 times back and forth through the same portal

  Epic1.5% of players
  71 EXP
• 

  Profound Portal Proficiency

  Finish every test chamber in Chapter 3 of "Portal Proficiency".

  Epic1.4% of players
  72 EXP
• 

  Convoyability 30

  30 convoys delivered in the Portal Proficiency initiative

  Epic1.1% of players
  75 EXP