It takes seconds to learn but will take a lifetime to master. And if the standard version loses its appeal, almost every aspect of the game is customisable, so there is always a new level to conquer. 2 Clear? will run on Windows 95, 98 orNT4.0+. Any PC capable of running these should besatisfactory for playing the game. To hear the sound effects, you will require a sound card. Although the game is playable in 256 colours, it will look much better in 16-bit or 24-bit colour modes.