Star Defender 4 is a side-scrolling shooter that turns boundless space into one big warzone. Enter the ravaging struggle between insects and humans and make sure not a single alien escapes its part of free lead. Star Defender 4 has 8 extra large and unique missions, each with a devastating Boss. Featuring 100 levels of most explosive action with tons of upgradable weapons, many different foes and a set of cool bonuses, Star Defender 4 is a game that you will enjoy for a long time.