Portal 2 is a first person puzzle game developed by Valve and published by Valve and electronic arts on April 19th 2011. This game is a sequel to the original portal, portal 2 it based upon the physics based puzzle game by including variety of new things such as mechanics e.g. laser beams that can be redirected by special cubes, zero- gravity funnels that can be redirected by portals, lunch pads and special paint like substances that changes the properties of the surface it covers.
New Mechanics
- Aerial Faith Plates - pressure-triggered pads that launch objects in a particular direction with great force.
- Excursion Funnels - a kind of zero gravity conveyor belt that can be redirected by portals.
- Propulsion Gel - a kind of oil slick ejected from a dispenser that can be spread across surfaces via portals to enable fast running. The trailer states that this gel was first marketed as a diet aid, that "increased the velocity of any food that followed it through the digestive tract, leaving the body no time to absorb calories." Unfortunately, the product was pulled from store shelves when it was discovered that digestion plays an important part in the eating process.
- Repulsion Gel - a rubber -like substance ejected from a dispenser that creates a trampoline effect upon surface contact. Apparently, the gel was also marketed as a diet aid, as it "caused subsequently-ingested food items to bounce off the lining of the dieter's stomach and out his or her mouth," i.e. throwing up. For obvious reasons, this was also pulled from store shelves.
- Conversion Gel - Made out of moon rocks, this gel converts any surface into portalable surface.
- Thermal Discouragement Beam - a fixed position laser that can be redirected by portals and aimed by portable optic cubes
Prasahant Naidu
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