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