It would send anything near the entrance to the exit via suction. Pneumatic Diversity Vent This element appeared in trailers but was cut from the final game. In the game, it is said to be made from ground-up moon rocks. Conversion Gel This gel allows portals on surfaces that don't normally allow portals to be placed on them. This too, in the game universe, was a failed diet aid. Repulsion Gel This gel causes things to bounce off it. The in-game fiction is that this was originally intended as a diet aid, but was deemed unsuitable for this purpose and pulled from the market. Propulsion Gel Walking across surfaces covered in this gel will cause an increase in velocity. Some are attached to a button that allows the direction to be changed. Excursion Funnel These suspend and push objects in them slowly away from the emitter. Hard-light Bridges These can be walked on, or turned 90 degrees and used as a shield from turrets. Thermal Discouragement Beam These are very hot lasers. New puzzle elements Aerial Faith Plates These propel anything on them to a predetermined location.
