Add-on

Bridge Constructor PortalPortal Proficiency

202

100

10

0.00

438

192 (44%)

Portal Proficiency Achievements

• Principals of Portalability

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

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

  Finish every test chamber in Chapter 3 of "Portal Proficiency".
• Convoyability 10

  10 convoys delivered in the Portal Proficiency initiative
• Convoyability 20

  20 convoys delivered in the Portal Proficiency initiative
• Convoyability 30

  30 convoys delivered in the Portal Proficiency initiative
• Portal Deficiency Certificate
• Tunneling at Full Capacity

  Maximum amount of portals successfully used in a test run.

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• Deliverance from Non-delivery
• Condolence Letter Delivery Boom