Portal

Portal (Full) - an adventure puzzle game. A robot waking up from a long suspended anabiosis will have to fight with a supercomputer and master the complicated technology of portals. The game perfectly develops logical thinking and ingenuity while having a lot of jokes, bold experiments and puzzles. There are also two game modes: single and cooperative, which means that you can play both alone and with friends, another nice bonus is that you can control two robots at the same time. Open new rooms, travel open space, study different parts of the laboratory and just enjoy the game play.