PQ2: Practical Intelligence Quotient 2 (also known as PQ2; Intelligent License 2 (????????·?????2 Interijento Raisensu 2) in Japan; Practical IQ in Europe) is a puzzle game for the PlayStation Portable and a sequel to PQ: Practical Intelligence Quotient. The game is based on testing the model of human intelligence developed by Dr. Masuo Koyasu at Kyoto University. PQ2 shares many features with the first PQ game and similar platform-like puzzle games. In each stage the player controls a human avatar in a virtual reality world climbing and dropping from levels lifting dropping pushing and pulling boxes in order to activate switches and lifts block laser beams and to create stairways in order to reach an exit point. The player must also avoid guards that make rounds on the level.