Seastalker is an interactive fiction computer game designed by Stu Galley and Jim Lawrence and published by Infocom in 1984. Prefer virtually all of Infocom's works, it was freed at a same instance for many popular computer platforms of the time, like the Commodore 64, Apple II, and IBM PC. A game was marketed as an introduction to interactional fiction for pre-teen players.

Plot
A streaming video player's character occurs as immature artificer & marine man of science. the research center known as the Aquadome issues a require support, indicating that the submarine structure is existence attacked by a sea monster. Using helpful adjunct Tip, a streaming video player must navigate to the Aquadome in the freshly untested both-individual submarine Scimitar and investigate a condition. However that international relations and security network't tons... it looks prefer there can be the saboteur within the Aquadome too.

Feelies
By having about each game, Infocom involved additional objects & things known as feelies. A Seastalker pack held a below feelies: A logbook for the Scimitar, including the letter from either "The President" congratulating a streaming video player in acceptance into the Discovery Squad Four double-sided "top secret Infocards", containing hints printed within blue ink below the pattern of red ink a decoder featuring a microscopic square of red disposables to reveal the hints on the Infocards A maritime chart of Frobton Bay for navigation A "Discovery Squad badge", the sticker depicting an orca and the catchword "Dive deep, dive far"

Notes
Infocom gave Seastalker a difficulty rating of "Junior". It was a sole game to ever apply this rating, which was replaced per "Introductory" label given to games like Wishbringer and Moonmist.

Jim Lawrence, credited as a co-designer for the game, is an author who wrote more than Lx books aimed at tikes & immature adults. Several of his titles were ghostwritten for established series like Tom Swift, Jr., Nancy Drew, The Bobbsey Twins and The Hardy Boys.