Entry-Exit Relay Repeater System
70
30 times back and forth through the same portal
Comments:
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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