Not an American user?


You must save the Aquadome! But is it in more danger from an inside traitor, or a vicious sea monster? As a famous inventor and scientist, you will use your inventions and skills to save the day.


Seastalker Apple II Sending the player to the feelies and moving the plot along with some technology puzzles!
Seastalker Apple II Starting a new game (40-column mode)
Seastalker Apple II What a payoff!  The computer is gradually streamlining the interface.
Seastalker Apple II Starting location

Promo Images

There are no promo images for this game

Alternate Titles

  • "Seastalker - You and the Ultramarine Bioceptor - An Infocom Junior Adventure" -- Tag-lined title
  • "Seastalker: Harry Crawford and the Ultramarine Bioceptor" -- Atari 8-bit in-game title
  • "Seastalker: Ed Ed and the Ultramarine Bioceptor" -- DOS in-game title
  • "Seastalker: Dive Deep into Danger" -- Tag-lined title
  • "Seastalker: Dante Hicks and the Ultramarine Bioceptor" -- Commodore 64 in-game title
  • "Sea Quest" -- Working title

Part of the Following Groups

User Reviews

There are no reviews for the Apple II release of this game. You can use the links below to write your own review or read reviews for the other platforms of this game.

Critic Reviews

Computer Games Feb, 1985 A 100


There are currently no topics for this game.


Try typing in "kick me", and the game will respond "That sounds like a sign you could wear on your back."

Related Web Sites

  • Infocom homepage (At this site you can find information on ALL of Infocom's interactive games, Infocom related articles, sample transcripts, InvisiClue hints, walkthroughs, maps and information on buying Infocom games today.)
  • The Commodore Zone (All about the game, with introduction, images, related links and comments area.)
  • The Infocom Gallery (High-quality scans of the grey box package and manual of Seastalker.)
Droog (460) added Seastalker (Apple II) on Jul 22, 2003
Other platforms contributed by Brian Hirt (9983), Quapil (4721), Kabushi (163155), Martin Smith (62902), Terok Nor (23142), Игги Друге (44994), L. Curtis Boyle (726) and Belboz (6484)