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Roger Wilco is one of the most important men on the starship Arcada: he is the janitor! Just when he was doing what he does best (dozing off in a closet), the shrill sound of an alarm penetrated the air. Arcada is attacked by the evil Sariens! Before Roger realizes what is going on, he discovers that he is the only survivor. The Sariens have killed the entire crew and stolen the valuable Star Generator. Roger's immediate task is to find a way to leave Arcada, which is about to explode in fifteen minutes. And then he'll have to show the Sariens why they should never mess with brave intergalactic janitors!

Space Quest: The Sarien Encounter is a humorous sci-fi adventure game made with Sierra's AGI engine. The gameplay is similar to that of King's Quest: the player navigates Roger around with arrow keys and interacts with the game world by typing commands. There are puzzles to solve and plenty of situations where the player will have to use his wit to save Roger from death.


Space Quest: Chapter I - The Sarien Encounter Atari ST Title screen.
Space Quest: Chapter I - The Sarien Encounter Amiga Enter your name.
Space Quest: Chapter I - The Sarien Encounter Apple IIgs An underground complex.
Space Quest: Chapter I - The Sarien Encounter DOS Cartridge library. (EGA/Tandy)

Promo Images

There are no promo images for this game


Alternate Titles

  • "Star Quest" -- Working title
  • "SQ1" -- Common abbreviated / informal title
  • "Space Quest 1" -- Informal title
  • "Space Quest" -- Informal title

Part of the Following Groups

User Reviews

How a simple four-room demo turned into an excellent space adventure DOS Katakis | カタキス (38336)
Wildly funny, yet frustrating enough to buy a hint book DOS Olivier Masse (420)
The game that started it all for me! DOS Jonathon Howard (105)
A true Sierra classic, setting a high standard for the series DOS Jayson Firestorm (153)

Critic Reviews

Just Adventure DOS 2000 A 100
The DOS Spirit DOS Dec 01, 2008 5 out of 6 83
Techtite DOS 2000 4 Stars4 Stars4 Stars4 Stars4 Stars 80
All Game Guide DOS 1998 4 Stars4 Stars4 Stars4 Stars4 Stars 80
Adventure Classic Gaming DOS Oct 02, 2009 4 Stars4 Stars4 Stars4 Stars4 Stars 80
Tilt DOS Apr, 1987 16 out of 20 80
The Games Machine (UK) Atari ST Dec, 1987 74 out of 100 74
Adventure Gamers DOS Jan 04, 2008 3.5 Stars3.5 Stars3.5 Stars3.5 Stars3.5 Stars 70
Aventura y Cía DOS Apr 03, 2002 3 Stars3 Stars3 Stars3 Stars3 Stars 60
ST Format Atari ST Mar, 1995 30 out of 100 30


Topic # Posts Last Post
Anyone knows what that plant is for? 24 Pseudo_Intellectual (53417)
May 31, 2007


The twosome responsible for the Space Quest series, Scott Murphy and Mark Crowe (aka The Two Guys From Andromeda), first approached Ken Williams in 1986 with the idea for the first game. Williams was unimpressed with the idea, but the two went ahead and programed a four room demo of their concept on their own time. After seeing it, Williams gave them the go-ahead to make the game.

Related Web Sites

  • Hints for Space Quest 1 (These question and answer hints will help you solve the game without spoiling it for you.)
  • Roger Wilco's virtual broomcloset (Site dedicated to the SQ series. )
  • ScummVM (supports the DOS, Macintosh, Amiga, Atari ST and Apple IIgs versions of Space Quest: The Sarien Encounter under Windows, Linux, Macintosh and other platforms.)
  • SpaceQuest.Net - Space Quest 1 Story (The most comprehensive site about Space Quest 1, both EGA and VGA versions: Basic game information, hints (with scans of the official hint book), documentation (downloadable PDF manual), demos and even design sketches.)
  • Space Quest Treasure Trove (Your key to the Golden Mop lies here! This site provides a complete graphical walkthrough for Space Quest: The Sarien Encounter.)
Contributed to by Olivier Masse (420), POMAH (42225), Guy Chapman (1738), Servo (55772), Garcia (4746) and Belboz (6484)