Other crossword clues for answer "INVADER"INVADERPixelated threat, in 1970s-80s gamingMartian in many a sci-fi storyOne crossing the line?Asian lady beetle, for oneConqueror, oftenIntruder.Assailant.Aggressive nation.Encroacher.Attila, most of the timeHannibal was oneAttacking forceNapoleon, to a RussianSaxon or Celt, onceRaid participant