Defender is an updated version of the classic arcade game of the same name. The Manti bugs have invaded earth and the remaining human survivors now live in colonies throughout the solar system. As more swarms of Manti arrive, even the colonies are now in danger of being wiped out. You've been enlisted to help save the remaining colonists and destroy the Manti bugs! There are a total of six different ships to fly, each with its own flight characteristics and special weapons. Weapon and shield power-ups can also be found throughout the various missions.
The gameplay in Defender is fast-paced and action-packed. You'll need to navigate through waves of enemies, using your ship's special weapons to destroy them before they reach you. You'll also need to rescue captured humans and bring them to a safe landing zone to earn credits and upgrade your ship. The game requires quick reflexes and strategy, making it a challenging and rewarding experience for players.