DOS is an operating system developed by Seattle Computer Products, Microsoft, and IBM. It was first released in 1981.

1997
A pair of school kids are told by a professor an alien spaceship crashed somewhere, so they set off to find it.

1996
British real estate agent John Hacker has to rescue a blonde woman who has been kidnapped by Count Dr√°scula.
Point-and-Click Adventure. While on a cruise ship, Larry cheats to win a weekly contest held by Captain Thygh.
Point-and-Click Adventure. A man experiences hallucinations and wonder if he's the one doing the killing.

1995
Survival Horror Game. After gaining fame from his successes, Edward Carnby is hired to investigate a ghost town in the Mohave desert.
Point-and-Click Adventure. After an atomic war, humans live underground and enslave mutants. A professor wants to create peace.
Point-and-Click Adventure. Three astronauts investigate an asteroid and are taken to another planet.
Free Point-and-Click Adventure. A dragon tries to fix the mischief he caused with a magic wand called Eveline.
Free Point-and-Click Adventure. Joe King, pilot for hire, uncovers a diabolical plot when his plane crash lands.
Point-and-Click Adventure. Save your gang, your girlfriend, and your very way of life.
Point-and-Click Adventure. Gabriel inherits a castle in Germany and investigates the apparent werewolf-related death of a little girl.
Direct-Controlled Adventure. Hugo must save his girlfriend Penelope who is a prisoner in the house of horrors.
Point-and-Click Adventure A writer named Adrienne Delaney moves into a mansion where a demon possesses her husband's body.
Point-and-Click Adventure A teenager is dared by his friends to spend the night inside of a haunted museum.
Point-and-Click Adventure. Foil the evil sorcerer Sordid's plans of revenge.
Free Point-and-Click Adventure. A bride's father tries to find a man who ran away at his arranged wedding.
Point-and-Click Adventure. Roger resumes his role as a janitor and stumbles into another adventure.
Point-and-Click Adventure. Torin must rescue his family and defeat the evil sorceress Lycentia.

1994
Free Point-and-Click Adventure. Uncover a government cover-up and secrets to your past as you try to escape the city.
Point-and-Click Adventure. A magical orb is stolen and a fox named Rif is accused so he sets off to find the true culprit.
Point-and-Click Adventure. The evil jester Malcolm proves his innocence in the crime of killing the king and queen.
Point-and-Click Adventure.  Separated, mother and daughter must find each other and save the kingdom of Eldritch.
Point-and-Click Adventure. Larry wins a trip to the health spa La Costa Lotta, where he tries to win over the available women there.
Point-and-Click Adventure. Separated, mother and daughter must find each other and save the kingdom of Eldritch.
Point-and-Click Adventure.Windows 16-bit version is in Space Quest Collector's Edition. Roger travels through time to try to avoid being captured.
Point-and-Click Adventure. A private investigator is hired to spy on a house of a man running for president of the USA.

1993
Point-and-Click Adventure. Enter Stauf's mansion and solve the diabolical riddles inside.
Survival Horror Game. As either a private investigator or the niece of a man who committed suicide, investigate a haunted mansion.
Survival Horror Game. Supernatural private investigator Edward Carnby explores an old mansion while investigating a kidnapping.
Point-and-Click Adventure. Los Angeles Homicide detective John Carey investigates serial murders where his ex-partner was a victim.
Point-and-Click Adventure. Travel through time and stop an evil tentacle from taking over the world.
Point-and-Click Adventure. Freddy Pharkas discovers who is scaring away all of the landowners in Coarsegold.
Point-and-Click Adventure. Gabriel Knight finds out about his Schattenj√§ger heritage.
Point-and-Click Puzzle Game. A goblin named Blount goes on a quest a rescue to find his kidnapped girlfriend.

Card game. In the fourth casual game in the Hoyle series, choose among eight card games to play against Sierra characters.
Point-and-Click Adventure. A temporal agent discovers anachronisms and time-travels to fix the timestream.
Point-and-Click Adventure. Alexander sets sail for the Green Isles in search of the beautiful Princess Cassima.
Point-and-Click Adventure. Laura must discover who is killing all of the people at an Egyptian exhibit in New York City.
Point-and-Click Adventure. The young sorceress Zanthia must stop the kingdom of Kyrandia from disappearing.
Point-and-Click Adventure. Larry wins a trip to the health spa La Costa Lotta, where he tries to win over the available women there.
Point-and-Click Adventure. A woman investigating a shipwreck is sent back 150 years.
Point-and-Click Adventure. Adam explores the rainforest for a cure for a disease affecting the local natives.
Point-and-Click Adventure A stranger arrives on an island through a book and discovers what happened to the inhabitants of the island.
Point-and-Click Adventure. Pepper follows her dog into a time portal and must undo all of the changes to the timeline.
Point-and-Click Adventure. After fireworks cause Putt-Putt to get trapped on the moon, a rocket must be built in order to return home. 
Point-and-Click Adventure RPG. A hero arrives in Mordovia where he must keep a demon spirit from entering the world.
Point-and-Click Adventure. While on holiday in the Valley of the Sparrows, stop the powers that have destroyed the land.
Point-and-Click Adventure. The duo travel across the USA in search of a missing Bigfoot.
Point-and-Click Adventure. Journey through a magical world, rescue a wizard, and defeat an evil sorcerer.
Point-and-Click Adventure. When Roger is promoted to captain, he finds his first assignment to be dangerous.
Free Point-and-Click Adventure. A teenager is hired as a spy to discover how a millionaire is acquiring his riches.

1992
Point-and-Click Adventure. Aliens called the Bargon have conquered Earth. A young programmer wants to free humanity.
Point-and-Click Adventure. Robin Hood steals money for King Richard's ransom and stays away from kingdom guards.
Point-and-Click Adventure. Laura must discover who is killing all of the people at an Egyptian exhibit in New York City.
Point-and-Click Puzzle Game. Someone has kidnapped the prince, and it's up to two goblins, Winkle and Fingus, to rescue him.
Point-and-Click Adventure. Uncover the power of the lost city of Atlantis before the Nazis.
Point-and-Click Puzzle Game. Solve the security puzzles on Dr. Brain's island in order to retrieve an invention for him.
Life Simulation Game. Attain the level of money, happiness, status and education that you desire.
Point-and-Click Adventure. Alexander sets sail for the Green Isles in search of the beautiful Princess Cassima.
Point-and-Click Adventure. Brandon attempts to free his grandfather and the kingdom itself from an evil curse.
Point-and-Click Adventure. An alien from Planet X comes to Earth for help freeing his own planet.
Free Point-and-Click Adventure. Escape prison, rid the kingdom from invaders, and defeat the cruel temptress.
Point-and-Click Puzzle Game. A game for children. Open a manhole cover to find a beanstalk leading to fantastic worlds.
Point-and-Click Adventure. In this game aimed at children, nursery rhymes are mixed up and you have to fix them.
Point-and-Click Adventure. A car named Putt-Putt wants to enter the CarTown parade.
Point-and-Click Adventure RPG. The hero must unite and lead the warring tribes in a battle against a demon wizard.
Point-and-Click Adventure. Roger travels through time to try to avoid being captured by an old enemy.
Point-and-Click Adventure. A wizard must complete three quests in three days in order to kill an evil wizard.

1991
Point-and-Click Puzzle Game. Solve all of the puzzles in order to become the assistant to the mad-scientist Dr. Brain.
Point-and-Click Adventure. Adam and Delphineus seek the whale king of the underwater kingdom of Eluria.
Point-and-Click Adventure. Deliver a sex drive increasing drug and don't get implicated in murder.
Direct-Controlled Adventure. Hugo's great uncle has been murdered, and Penelope must discover "whodunit".
Direct-Controlled Adventure. Hugo must search the jungle of doom for an anti-venom for Penelope, who was bitten.
Point-and-Click Adventure. An amnesiac Larry searches the USA for girls to star in a TV show.
Point-and-Click Adventure. In this game aimed at children, fairy tales are mixed up and you have to fix them.
Point-and-Click Adventure. Search for a treasure with powers that can get rid of the dreaded pirate LeChuck for good.
Point-and-Click Adventure. Detective Sonny Bonds' investigation becomes personal when his wife is stabbed.
Point-and-Click FMV Adventure. Sherlock Holmes, consulting detective, must solve three cases.
Text Adventure. DOS port by Gary Thompson. It was the basis for Leisure Suit Larry.  Find items to win the affection of various women.

1990
Episodic Shareware Platform Game. 8-year old Billy Blaze becomes Commander Keen to save Earth from the Vorticons.
Point-and-Click Adventure. King Arthur goes on a quest to rescue his knights and find the holy grail.
Point-and-Click Adventure. Rescue your girlfriend before she's turned into a half cyborg Geisha.
Direct-Controlled Adventure. Hugo must save his girlfriend Penelope who is a prisoner in the house of horrors.
Point-and-Click Adventure. Search for and defeat an evil wizard who has stolen your castle and your family.
Point-and-Click Adventure. Hone your magical powers as you uncover a plot to control the threads of existence.
Point-and-Click Adventure RPG. Travel to Raseir to resurrect a powerful magical being.
Point-and-Click Adventure. Become a pirate, defeat an evil ghost captain, and rescue the governor.
1989
Direct-Controlled Adventure. A navel officer is sent to Tunisia to rescue a US ambassador in order to prevent war.
Direct-Controlled Adventure. A college student named Laura Bow must find out family secrets to uncover a murderer.
Point-and-Click Adventure. Rescue Indy's father from the Nazis and recover the holy grail.
Point-and-Click Puzzle Game. A game for children. Open a manhole cover to find a beanstalk leading to fantastic worlds.
Direct-Controlled Adventure. Work with the aliens while secretly working to get rid of them.
Direct-Controlled Adventure. Detective Sonny Bonds rescues his girlfriend and once again captures the Death Angel.
Point-and-Click Adventure RPG. You must battle monsters and solve quests to become a hero.
Point-and-Click Adventure. Rescue the two guys from Andromeda from the evil ScumSoft corporation.
Point-and-Click Adventure. A tabloid reporter, an archeologist, and two college students save the world.
Graphic Text Adventure. A curse must be lifted by Curse Day or the empire will fall.

1988
Direct-Controlled Adventure. Sell your home in New York and head out to Gold Rush-era California to strike it rich.
Direct-Controlled Adventure. Travel to the kingdom of Tamir, save a fairy, and find fruit to heal your dying father.
Direct-Controlled Adventure. Larry gets dumped, goes on a cruise, and ends up in the middle of a KGB plot.
Direct-Controlled Adventure. Earth has been invaded by aliens. Try to overthrow them and save humanity.
Direct-Controlled Adventure. Break into a spooky mansion to save your cheerleader girlfriend.
Point-and-Click Adventure. Stop the Warlock Lord from summoning a hell demon.
Direct-Controlled Adventure. The Sarien leader seeks revenge on intrepid janitor Roger Wilco.

1987
Graphic Text Adventure. The Implementors task you with recovering the Coconut of Quendor.
Sir Graham is chosen to find the three treasures of Daventry. Once he finds them, he shall become king.
Travel to a faraway land to rescue the beautiful Valanice from a witch who has imprisoned her in an ivory tower.
Direct-Controlled Adventure. A loser hits on women all night before he finds one that will sleep with him.
Direct-Controlled Adventure. Children's game. Nursery rhymes are mixed up and you have to fix them.
Direct-Controlled Adventure. A cop patrols the street, then goes undercover to take down "The Death Angel".

1986
Direct-Controlled Adventure. Protect a mystical pig and prevent evil from escaping the Black Cauldron.
Direct-Controlled Adventure. A slave to a wizard must escape from the wizard's house without the wizard seeing.
Direct-Controlled Adventure. A janitor must save his planet from alien invaders known as the Sariens.

1985
Join Mickey in a space adventure in this game aimed at children. Typing is not required. Actions are chosen from a list.
Join Winnie the Pooh in this game aimed at children. Typing is not required. Actions are chosen from a list.

1984
Text Adventure. A detective must investigate an apparent suicide which is more than it seems.
Text Adventure. A black hole mining ship investigates an anomaly that turns out to be a giant ship of unknown origin and composition.
Text Adventure. Travel through the Great Underground Empire to find the Nineteen Treasures of Zork.
Text Adventure. Enter the Great Underground Empire once again on a quest to defeat the wizard of Frobozz.

1982
Text Adventure. Survive the horrors of the dungeon and you earn your reward.

1981
Driving Game. The first DOS game, created by Bill Gates and Neil Konzen, was a simple game example for IBM Advanced BASIC.