Shoot the aliens before they shoot you! CONTROLS: -Arrow keys to move -Space bar to shoot FACTS: -Ten lives -Three levels -Powerup
simple events, simple variables, visibility, delays, simple loops, variable watchers, simple sound playing, simple messaging, simple conditionals, advanced costume handling, detect conditions, cloning, resize actor, graphic effects, advanced motion, advanced messaging, simple motion, basic math, direction and turning, simple costume handling, conditional loops, advanced math, layers, program control, screen bounds, miscellaneous,