Quite often, the protagonists of interactive adventures become participants in unusual experiments. These can be terrifying, painful, and downright bizarre. For example, if you download Portal, you can become involved in an experiment using a portal gun. It allows you to create portals and erase the boundaries of personal travel. However, to effectively use this gun, you'll have to pass a series of tests, uncover the secrets of a mysterious laboratory, and try to escape it. You'll have incredible weapons at your disposal, capable of solving a variety of problems and even destroying enemies when used correctly. But first, you'll need to master all the portal functions and the logical thinking required to use them. It sounds complicated, but the game's locations and puzzles will prepare you for the finale, where you'll have to escape the laboratory and escape this territory. Ready to embark on such an adventure? Then waste no time and get to work. Pay attention to small details, various angles, and be sure to follow the rules of the game. After that, you'll be able to achieve your goals. Good luck!