This version included a number of features in addition to those found in the Doom 0.4 alpha version: * Collision detection between objects; it is possible to walk into monsters and pick up items. * It is possible to shoot monsters. However, there is still no animation at this stage, and when monsters are shot, they simply vanish. Although certain enemies (like the Demon) have beta death animations. * A working status bar and the ability to change the screen size. * A working menu. * Working platforms. * An Automap. * Skill levels. The easiest is "I just want to kill", rather than the release version's "I'm too young to die". * The rifle's sprite has changed, though the bayonet uses the same sprite. * The rocket launcher can be picked up and fired, but it d