View full achievement list for Bridge Constructor Portal
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Convoyability 20

20 Gamerscore

20 convoys delivered in the Portal Proficiency initiative
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Bridge Constructor Portal

Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games. As a new employee in the Aperture Science test lab, it's your job to build bridges, ramps, slides, and other constructions in 60 test ch...

Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the uniqu...

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Convoyability 30

30 Gamerscore
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Convoyability 10

10 Gamerscore
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50 Gamerscore
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70 Gamerscore
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70 Gamerscore