Object21 - Version 2.5 A compact, stylish arcade game that requires skill and attention. You control the beamenergy, which passes through the walls. The farther youadvance, the more treacherous pitfalls that you willneed to overcome. Sometimes you'll need to collect keys to open doors.Enemies are the laser beams, balls, jumping from the walls, and sometimes evenvery walls themselves! At first it may seem that the first levels are easy, but as you advanceyou will get hooked!