Defender for the Atari 2600 is a classic side-scrolling shooter video game, originally developed by Williams Electronics and adapted to the Atari platform by Atari, Inc. Released in 1981, Defender places the player in the role of a spaceship pilot tasked with defending astronauts on the surface of an alien planet. The game's objective is to fend off waves of invading alien enemies while preventing them from abducting the astronauts. With its fast-paced gameplay, multiple enemy types, and the need for strategic maneuvering, Defender falls squarely within the shoot 'em up genre. Despite hardware limitations, the game captured the essence of the beloved arcade original, delivering a challenging and engaging experience.