Sierra On-Line Inc.

Gobliiins (1992)

• Developer: Coktel Vision
• Publisher: Sierra On-Line Inc.

Adventure Humor Point & Click Puzzle

The Incredible Machine (1992)

• Developer: Dynamix
• Publisher: Sierra On-Line Inc.

Educational Puzzle

Lost in Time (1993)

• Developer: Coktel Vision
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Puzzle

EcoQuest: The Search for Cetus (1991)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Educational Point & Click Puzzle

Detroit (1993)

• Developer: Impressions Games
• Publisher: Sierra On-Line Inc.

Strategy (Turn based)

Mixed-Up Fairy Tales (1991)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Educational Point & Click Puzzle

Space Quest: The Sarien Encounter (1986)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Humor Point & Click Sci-fi

King's Quest III: To Heir is Human (1986)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Puzzle

The Incredible Machine 2 (1994)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Educational Puzzle Simulation

EcoQuest 2: Lost Secret of the Rainforest (1993)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Action

Codename Iceman (1989)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Simulation

The Adventures of Willy Beamish (1991)

• Developer: Dynamix
• Publisher: Sierra On-Line Inc.

Adventure Puzzle

Space Quest II: Vohaul's Revenge (1987)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure

Half-Life (1998)

• Developer: Valve Corporation
• Publisher: Sierra On-Line Inc.

Action Adventure FPS Sci-fi

Outpost (1994)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Sci-fi Simulation Strategy (Turn based) Isometric perspective

Inca (1992)

• Developer: Coktel Vision
• Publisher: Sierra On-Line Inc.

Adventure Bizarre Point & Click Sci-fi Sci-fi Historical setting

King's Quest VI: Heir Today, Gone Tomorrow (1992)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Puzzle

King's Quest V: Absences Makes the Heart Go Yonder! (1990)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Puzzle

Conquests of the Longbow: The Legend of Robin Hood (1991)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Fantasy

Earthsiege (1994)

• Developer: Dynamix
• Publisher: Sierra On-Line Inc.

Action Sci-fi Shoot em up Simulation Robots

King's Quest: Quest for the Crown (1984)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Puzzle

Castle of Dr. Brain (1991)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Humor Puzzle Fantasy

Quest for Glory I: So You Want To Be A Hero? (1992)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Puzzle

Gabriel Knight: Sins of the fathers (1993)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Point & Click Puzzle

Homeworld (1999)

• Developer: Relic Entertainment
• Publisher: Sierra On-Line Inc.

Adventure Sci-fi Strategy (real time) 3rd person perspective

Ground Control (2000)

• Developer: Massive Entertainment
• Publisher: Sierra On-Line Inc.

Action Sci-fi Strategy (real time)

Jones in the Fast Lane (1991)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Arcade Simulation

Leisure Suit Larry in the Land of the Lounge Lizards (1987)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Humor Textbased

King's Quest II: Romancing the Throne (1987)

• Developer: Sierra On-Line Inc.
• Publisher: Sierra On-Line Inc.

Adventure Puzzle

Air Bucks (1992)

• Developer: Impressions Games
• Publisher: Sierra On-Line Inc.

Simulation