Seastalker is an interactive fiction game that immerses players in a thrilling underwater adventure. Designed for pre-teen players, it combines exploration with problem-solving as you take on the role of a young inventor and marine scientist. The story begins with a distress call from the Aquadome, a research facility under attack by a mysterious sea monster. Players must pilot the untested submarine, Scimitar, to uncover the truth behind the chaos. Along the way, players will encounter various challenges and puzzles that require keen observation and logical thinking.

The game not only focuses on the immediate threat posed by the sea monster but also introduces a subplot involving a potential saboteur within the Aquadome. With a rich narrative, engaging characters, and an immersive setting, Seastalker stands out as an exemplary title in the adventure game genre. Released in 1984, it remains a significant part of interactive fiction history, showcasing Infocom's commitment to quality storytelling and innovative gameplay.