Early access: Checkpoint20 is currently in active development. Join our Discord to follow the development journey.
Sierra On-Line logo
Game studio

Sierra On-Line

United StatesFounded 1979Part of Vivendi Universal
About

About Sierra On-Line

Sierra Entertainment, Inc. (formerly On-Line Systems and Sierra On-Line, Inc.) was an American video game developer and publisher founded in 1979 by Ken and Roberta Williams. The company is known for pioneering the graphic adventure game genre, including the first such game, Mystery House. It is known for its graphical adventure game series King's Quest, Space Quest, Police Quest, Gabriel Knight, Leisure Suit Larry, and Quest for Glory, and as the original publisher of Valve's Half-Life series. After seventeen years as an independent company, Sierra was acquired by CUC International in February 1996 to become part of CUC Software. However, CUC International was caught in an accounting…

Catalog

Developed

2
King's Quest VI: Heir Today, Gone Tomorrow
1992

King's Quest VI: Heir Today, Gone Tomorrow is an adventure game set in the fictional Land of the Green Isles. Players control Prince Alexander as he navigates a series of diverse islands, each with unique themes inspired by various mythologies and literary works. The game begins with Alexander's shipwreck on the Isle of the Crown, where he discovers that Princess Cassima, whom he seeks, is being held captive by the scheming vizier Abdul Alhazred. To rescue Cassima and thwart the vizier's plans, Alexander must explore the kingdom, solve puzzles, and uncover secrets across multiple islands, including the Arabian Nights-themed Isle of the Crown, the Alice in Wonderland-inspired Isle of Wonder, and the mythological Isle of the Sacred Mountain. The game features a magic map for travel between islands and includes hidden areas that expand the narrative and gameplay possibilities.

PuzzleFantasyAdventure
Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals
1989

Passionate Patti in Pursuit of the Pulsating Pectorals! is the third game in Al Lowe's Leisure Suit Larry series. Larry Laffer has finally found the woman of his dreams, and can happily live with her together on the beautiful tropical island... until he gets thrown out of the house by his wife. His boss, who happens to be his (now ex-) father-in-law, fires him. Larry is all alone, without a woman, without a job, on an island that has long ceased to be a "tropical paradise" and is exploited by entertainers, lawyers, and alike. But never despair! Dressed in his irresistible leisure suit, Larry is about to conquer the world (or at least its female population) anew. Watch out, fairer sex, because Larry is back to his swinging self!

ComedyPuzzleAdventure

Published

2
King's Quest VI: Heir Today, Gone Tomorrow
1992

King's Quest VI: Heir Today, Gone Tomorrow is an adventure game set in the fictional Land of the Green Isles. Players control Prince Alexander as he navigates a series of diverse islands, each with unique themes inspired by various mythologies and literary works. The game begins with Alexander's shipwreck on the Isle of the Crown, where he discovers that Princess Cassima, whom he seeks, is being held captive by the scheming vizier Abdul Alhazred. To rescue Cassima and thwart the vizier's plans, Alexander must explore the kingdom, solve puzzles, and uncover secrets across multiple islands, including the Arabian Nights-themed Isle of the Crown, the Alice in Wonderland-inspired Isle of Wonder, and the mythological Isle of the Sacred Mountain. The game features a magic map for travel between islands and includes hidden areas that expand the narrative and gameplay possibilities.

PuzzleFantasyAdventure
Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals
1989

Passionate Patti in Pursuit of the Pulsating Pectorals! is the third game in Al Lowe's Leisure Suit Larry series. Larry Laffer has finally found the woman of his dreams, and can happily live with her together on the beautiful tropical island... until he gets thrown out of the house by his wife. His boss, who happens to be his (now ex-) father-in-law, fires him. Larry is all alone, without a woman, without a job, on an island that has long ceased to be a "tropical paradise" and is exploited by entertainers, lawyers, and alike. But never despair! Dressed in his irresistible leisure suit, Larry is about to conquer the world (or at least its female population) anew. Watch out, fairer sex, because Larry is back to his swinging self!

ComedyPuzzleAdventure

Checkpoint20

Wanna join?

Sign in to start your list with just a few clicks.