Learn how the most mysterious fruit of science works! Portals are incredible and now you are welcome to find out how they work from within. This title is a perfect combination of Portal and Bridge Constructor. Together these amazing games create a cocktail you will surely appreciate! Being a member of a lab, you have to build bridges and other constructions in sixty different rooms. The task is to create a safe and reliable structure to help people move from one place to another. Use different tools and gadgets presented by the game – some of them speed the gel, the others push it away. There are also amazing cubes and flying platforms here! You will have a great time testing them all in action, so enter the game now and enjoy.