Crystal Caves Description: If you thought Commander Keen and Duke Nukem were challenging, you will love this new game from the same folks. Explore various caves, collecting crystals while watching for snakes, rocks that move, elevators, doors, traps, stalactites and stalagmites, partially hidden, hungry monsters, shooting flames, poison mushrooms and little green monsters. Total of 16 caves to explore. Save and restore at each level, timed functions, joystick support. Ver. 1.0. Requirements: DOS 3.x. Purchase Information: Shareware: Free to try, $30 if you decide to keep it. Registration benefits include: newsletter, program disks.