Seaquest for the Atari 2600 is an underwater-themed shooter game. Players control a submarine tasked with rescuing divers while avoiding or destroying various sea creatures like sharks and enemy subs. The objective is to collect divers and surface for air periodically to replenish oxygen levels. The gameplay becomes progressively harder as the player advances. Developed by Activision and released in 1983, Seaquest is a fast-paced action game combining elements of resource management with arcade-style shooting, offering a classic and engaging experience for fans of retro gaming.