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 chambers and get the Bendies safely across the finish line in their vehicles. Make use of the many Portal gadgets, like portals, propulsion gel, repulsion gel, aerial faith plates, cubes, and more to bypass the sentry turrets, acid pools and laser barriers, solve switch puzzles, and make it through the test chambers unscathed. Let Ellen McLain, the original voice of GLaDOS, guide you through the tutorial, and learn all the tips and tricks that make a true Aperture Science employee. The bridge is a lie! Features: - The merging of two worlds: the first Bridge Constructor™ with an official Portal™ license - Create complex constructions in the Aperture Science labs - Let GLaDOS accompany you through tricky physics adventures - Use portals, aerial faith plates, propulsion gel, repulsion gel, and much more to master the complicated tasks - Evade dangers such as sentry turrets, emancipation grills, laser fields, and acid - Help your Bendies cross the finish line – on their own or in a convoy PORTAL PROFICIENCY DLC Bridge Constructor Portal receives a fresh DLC as hot as a potato: Portal Proficiency Return to the Aperture Science Enrichment Center and experience a brand-new challenge. Finally, you are now able to not only construct bridges, but you can even place portals yourself! It’s just like the real thing! Face up to 30 brain-teasing, remarkably unsafe test chambers in three chapters. Create insane constructions and decide where to place portals to show if you really are proficient in working with Portals. Only the bravest and smartest participants will succeed and receive the Golden Condolence Letter. Features • New Aperture Science test series with 30 brand new, brain-teasing levels • New feature: place the portals in the new test chambers yourself!