Box is in fair condition. Includes game manual.

Battlezone is a 1983 port of Atari's groundbreaking 1980 arcade game, released for the Atari 2600 (VCS). Programmed by Michael Feinstein and published by Atari, it's a first-person (or rather, third-person in this version) tank combat simulator.
Gameplay
You pilot a tank in a desolate, wireframe-like battlefield (adapted to raster graphics on the 2600). The view is from behind or near your tank, showing the environment and enemies.
Use the joystick to rotate your tank (left/right) and move forward/backward.
Fire your cannon at enemy tanks, which include regular tanks, super tanks, and occasionally a UFO or helicopter.
A radar screen at the bottom helps you track off-screen threats.
Enemies appear from various directions; you must aim, maneuver, and destroy them before they hit you.
You start with a limited number of tanks (lives); the game ends when they're all destroyed.
The 2600 version simplifies the arcade's complex vector-based 3D perspective into a more accessible pseudo-3D experience with chunky sprites, smooth movement, and impressive (for the hardware) scaling effects as enemies approach. It plays faster in some ways than the arcade original, emphasizing quick reflexes.
Key Features and Presentation
Graphics: Highly praised for the era — detailed tanks with moving treads, a volcanic/mountainous backdrop, smooth scrolling, and a spectacular explosion/death animation when your tank is hit. It's often called one of the best-looking first-party Atari 2600 games.
Sound: Functional explosions, cannon fire, and engine noises that add to the tension.
Controls: Joystick-based (no paddles needed), which some prefer over the arcade's dual joysticks. Difficulty switches adjust challenge levels.
Single-player only, with multiple skill settings.
The port trades the arcade's immersive vector graphics and first-person cockpit view for a behind-the-tank perspective and raster graphics to work within the 2600's limitations.
History and Reception
The original arcade Battlezone was a pioneering 3D vector graphics title that influenced later games and even had military training applications. The 2600 port arrived in August 1983 during the tail end of the console's golden age (and the lead-up to the video game crash).
Reviews and retro fans generally hold it in high regard as a strong, faithful adaptation given the hardware constraints. Many consider it one of the better arcade ports on the system, with excellent visuals and addictive gameplay, though purists note it lacks the depth and immersion of the vector original. It's often compared favorably (or preferred by some) to similar titles like Activision's Robot Tank.
Legacy
Battlezone remains a favorite among 2600 collectors and players for its technical achievements and fun tank battles. Cartridges are widely available and affordable today (loose copies often under $10). It's included in various Atari compilations, emulators, and re-release hardware.