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

1997
Free Point-and-Click Adventure. Worldwide release. Two kids find an alien spaceship a professor claimed had crashed somewhere.

1996
Free Point-and-Click Adventure. Worldwide release. British real estate agent John Hacker rescues a woman kidnapped by Dráscula.
Point-and-Click Adventure. Worldwide release. Larry cheats to win a weekly contest held by Captain Thygh.
Point-and-Click Adventure. Worldwide release. A man experiences hallucinations and wonder if he's the one doing the killing.

1995
Survival Horror Game. Worldwide release. Edward Carnby is hired to investigate a ghost town in the Mohave desert.
Point-and-Click Adventure. Europe and North America release. After a nuclear war, humans enslave mutants.
Point-and-Click Adventure. Worldwide release. Three astronauts investigate an asteroid and are taken to another planet.
Free Point-and-Click Adventure. Worldwide release. A dragon fixes the mischief he caused with a magic wand named Eveline.
Free Point-and-Click Adventure. Worldwide release. After his plane crashes, Joe King, pilot for hire, uncovers a diabolical plot.
Point-and-Click Adventure. Worldwide release. Ben saves his gang, his crush, and his very way of life.
Point-and-Click Adventure. Worldwide release. Gabriel inherits a castle in Germany and investigates an apparent death by werewolf.
Shareware Direct-Controlled Adventure. Worldwide release. Hugo saves Penelope, who is a prisoner in the house of horrors.
Point-and-Click Adventure. Worldwide release. A demon possesses the body of the husband of writer named Adrienne Delaney.
Point-and-Click Adventure. Worldwide release. A teenager is dared by his friends to spend the night inside of a haunted museum.
Point-and-Click Adventure. Worldwide release. Foil the evil sorcerer Sordid's plans of revenge.
Free Point-and-Click Adventure. Worldwide release. A bride's father tries to find a man who ran away at his arranged wedding.
Point-and-Click Adventure. Worldwide release. Roger resumes his role as a janitor and stumbles into another adventure.
Point-and-Click Adventure. Worldwide release. Torin must rescue his family and defeat the evil sorceress Lycentia.

1994
Platform Game. Europe and North America release. Aladdin finds a genie and defeats an evil vizier.
Free Point-and-Click Adventure. Worldwide release. Foster uncovers secrets to his past as he t to escape the city.
Point-and-Click Adventure. Worldwide release. A magical orb is stolen. Rif the fox finds the true culprit and clears his name.
Point-and-Click Adventure. Worldwide release. Malcolm the jesters proves that he did not kill the king and queen.
Point-and-Click Adventure. Worldwide release. Mother and daughter find each other and save the kingdom of Eldritch.
Platform Game. A release in Europe and North America. Simba loses his father, grows up, and defeats his uncle to become king.
Point-and-Click Adventure. Worldwide release. Roger travels through time to try to avoid being captured.
Point-and-Click Adventure. Worldwide release. A private investigator spies on a man running for president of the USA.

1993
Point-and-Click Adventure. Worldwide release. Enter Stauf's mansion and solve the diabolical riddles inside.
Survival Horror Game. Worldwide release. An investigator and the niece of man who died from a suicide investigate a mansion.
Survival Horror Game. Worldwide release. Edward Carnby explores an old mansion while investigating a kidnapping.
Point-and-Click Adventure.  Worldwide release. Detective John Carey investigates serial murders where his ex-partner was a victim.
Point-and-Click Adventure. Worldwide release. Travel through time and stop an evil tentacle from taking over the world.
Point-and-Click Adventure. Worldwide release. Freddy Pharkas discovers who is scaring away all of the landowners in Coarsegold.
Point-and-Click Adventure. Worldwide release. Gabriel Knight finds out about his Schattenjäger heritage.
Point-and-Click Puzzle Game. Worldwide release. A goblin named Blount goes on a quest a rescue to find his kidnapped girlfriend.

Card Game. North America release. Choose among eight card games to play against Sierra characters.
Point-and-Click Adventure. Worldwide release. Alexander sets sail for the Green Isles in search of the beautiful Princess Cassima.
Point-and-Click Adventure. Worldwide release. Laura discovers who is killing at an Egyptian exhibit in New York City.
Point-and-Click Adventure. Worldwide release. The young sorceress Zanthia stops the kingdom of Kyrandia from disappearing.
Point-and-Click Adventure. Worldwide release. Larry wins a trip to the health spa La Costa Lotta.
Point-and-Click Adventure. Europe and North America release. A woman investigating a shipwreck is sent back 150 years.
Point-and-Click Adventure. A Japan and North America release. Adam searches for a cure for a disease affecting the locals.
Point-and-Click Adventure. Worldwide release. A stranger arrives on an island through a book.
Point-and-Click Adventure. North America release. Pepper undoes all of the changes after she follows her dog through a time portal.
Point-and-Click Adventure. Worldwide release. Putt-Putt gets trapped on the moon and builds a rocket to return home. 
Point-and-Click Adventure RPG. Worldwide release.  A hero must keep a demon spirit from entering the world.
Point-and-Click Adventure. Worldwide release. Stop the powers that have destroyed the Valley of the Sparrows.
Point-and-Click Adventure. Worldwide release. The duo travel across the USA in search of a missing Bigfoot.
Point-and-Click Adventure. Worldwide release. Simon finds a magical world, rescues a wizard, and defeats an evil sorcerer.
Point-and-Click Adventure. Worldwide release. Roger is promoted to captain and finds his first assignment to be dangerous.
Free Point-and-Click Adventure. Worldwide release. A teen is hired as a spy to discover how a millionaire is acquiring his riches.

1992
Point-and-Click Adventure. Europe release. Aliens called the Bargon conquered Earth. A young programmer wants to free humanity.
Point-and-Click Adventure. Worldwide release. Robin Hood steals money for King Richard's ransom and avoids kingdom guards.
Point-and-Click Adventure. Worldwide release. Laura must discover who is killing people at an Egyptian exhibit in New York City.
Point-and-Click Puzzle Game. Worldwide release. Someone kidnapped the prince, and two goblins, Winkle and Fingus, rescue him.
Point-and-Click Adventure. Worldwide release. Indy uncovers the power of the lost city of Atlantis before the Nazis.
Point-and-Click Puzzle Game. North America release. Solve security puzzles on Dr. Brain's island to retrieve an invention.
Life Simulation Game. North America release. Attain the level of money, happiness, status and education that you desire.
Point-and-Click Adventure. Worldwide release. Alexander searches for Princess Cassia on the Green Isles.
Point-and-Click Adventure. Worldwide release. Brandon frees his grandfather and the kingdom itself from an evil curse.
Point-and-Click Adventure. North America release. An alien from Planet X comes to Earth for help freeing his planet.
Free Point-and-Click Adventure. Worldwide release. Escape prison, rid the kingdom from invaders, and defeat the temptress.
Point-and-Click Adventure. North America release. Enhanced version of the 1988 children's game. A manhole leads to fantastic worlds.
Point-and-Click Adventure. North America release. Nursery rhymes are mixed up and you have to fix them.
Point-and-Click Adventure. Worldwide release. A car named Putt-Putt wants to enter the CarTown parade.
Point-and-Click Adventure RPG. Worldwide release. The hero unites the warring tribes in a battle against a demon wizard.
Point-and-Click Adventure. Worldwide release. Roger travels through time to try to avoid being captured by an old enemy.
Point-and-Click Adventure. Europe and North America release. A wizard completes three quests to kill an evil wizard.

1991
Point-and-Click Puzzle Game. North America release. Solve the puzzles to become the assistant to Dr. Brain.
Point-and-Click Adventure. Europe and North America release. Adam and Delphineus seek the whale king of Eluria.
Point-and-Click Adventure. Europe and North America release. Deliver a sex drive drug and don't get implicated in murder.
Direct-Controlled Adventure. Worldwide release. Hugo's great uncle has been murdered, and Penelope must discover "whodunit".
Direct-Controlled Adventure.Worldwide release. Hugo searches the jungle of doom for an anti-venom for Penelope.
Point-and-Click Adventure. Worldwide release. An amnesiac Larry searches the USA for girls to star in a TV show.
Point-and-Click Adventure. Germany and North America release. In this game aimed at children, fairy tales are mixed up.
Point-and-Click Adventure. North America release. A remake of the 1989 Mixed-Up Mother Goose game.
Point-and-Click Adventure. Worldwide release. Guybrush searches for a treasure to get rid of the zombie pirate LeChuck.
Point-and-Click Adventure. Worldwide release. Detective Sonny Bonds' investigation becomes personal when his wife is stabbed.
Point-and-Click FMV Adventure. Worldwide release. Sherlock Holmes, consulting detective, must solve three cases.
Shareware Text Adventure. Worldwide release. DOS port by Gary Thompson. It was the basis for Leisure Suit Larry.

1990
Episodic Shareware Platform Game. Worldwide release. 8-year old Billy Blaze, aka Commander Keen, saves Earth from the Vorticons.
Point-and-Click Adventure. Worldwide release. King Arthur goes on a quest to rescue his knights and find the holy grail.
Point-and-Click Adventure. A Europe release. Rescue your girlfriend before she's turned into a half cyborg Geisha.
Shareware Direct-Controlled Adventure. Worldwide release. Hugo saves his girlfriend Penelope from the house of horrors.
Point-and-Click Adventure. Worldwide release. Graham defeats an evil wizard who has stolen his family and his castle.
Point-and-Click Adventure. Worldwide release. Bobbin hones magical powers to uncover a plot to control the threads of existence.
Point-and-Click Adventure RPG. Worldwide release. The hero travels to Raseir to resurrect a powerful magical being.
Point-and-Click Adventure. Worldwide release. Guybrush becomes a pirate, defeats a ghost captain, and rescues the governor.

1989
Direct-Controlled Adventure. Worldwide release. A navel officer is sent to Tunisia to rescue a US ambassador to prevent war.
Direct-Controlled Adventure. Worldwide release. A college student named Laura Bow uncovers a murder and her family secrets.
Point-and-Click Adventure. Worldwide release. Indy rescues his father from the Nazis and recover the holy grail.
Point-and-Click Adventure. In this game for children, a beanstalk underneath a manhole cover leads to fantastic worlds.
Direct-Controlled Adventure. North America release. Work with the aliens while secretly working to get rid of them.
Direct-Controlled Adventure. Worldwide release. Detective Sonny Bonds rescues his girlfriend and captures the Death Angel.
Point-and-Click Adventure RPG. Worldwide release. Battle monsters and solve quests to become a hero.
Point-and-Click Adventure. Worldwide release. Rescue the two guys from Andromeda from the evil ScumSoft corporation.
Point-and-Click Adventure. Worldwide release. A tabloid reporter, an archeologist, and two college students save the world.
Graphic Text Adventure. Worldwide release. A curse must be lifted by Curse Day or the empire will fall.

1988
Direct-Controlled Adventure. Worldwide release. Sell your home in New York to get rich in the California gold rush.
Direct-Controlled Adventure. Worldwide release. Rosella travels to the kingdom of Tamir to save her dying father.
Direct-Controlled Adventure. Worldwide release. Larry gets dumped, goes on a cruise, and ends up in the middle of a KGB plot.
Direct-Controlled Adventure. Brazil and North America release. Aliens conquered Earth and must be overthrown to save humanity.
Direct-Controlled Adventure. Worldwide release. Break into a spooky mansion to save a cheerleader named Sandy.
Point-and-Click Adventure. Worldwide release. Stop the Warlock Lord from summoning a hell demon.
Direct-Controlled Adventure. Worldwide release. The Sarien leader seeks revenge on intrepid janitor Roger Wilco.

1987
Graphic Text Adventure. Worldwide release. The Implementors task you with recovering the Coconut of Quendor.
Direct-Controlled Adventure. Worldwide release. Sir Graham is finds the three treasures of Daventry and becomes king.
Direct-Controlled Adventure. Worldwide release. Graham travels to a faraway land to rescue the beautiful princess Valanice.
Direct-Controlled Adventure. Worldwide release. A graphical remake of Softporn Adventure. A loser hits on women all night.
Direct-Controlled Adventure. Germany and North America release. In this game aimed at children, nursery rhymes are mixed up.
Direct-Controlled Adventure. Worldwide release. A cop patrols the street, then goes undercover to take down "The Death Angel".

1986
Direct-Controlled Adventure. North America release. Protect a mystical pig and prevent evil from escaping the Black Cauldron.
Direct-Controlled Adventure. Worldwide release. A slave to a wizard must escape from the wizard's house without the wizard seeing.
Direct-Controlled Adventure. Worldwide release. A janitor must save his planet from alien invaders known as the Sariens.
Puzzle Game. Worldwide release. Rotate a four-piece tetromino to make them fit within each other into a line that will clear,

1985
Graphic Text Adventure. North America release. A Mickey Mouse game. Typing is not required.
Graphic Text Adventure. North America release. A Winnie the Pooh game. Typing is not required.

1984
Text Adventure. North America and United Kingdom release. A detective investigates a suicide which is more than it seems.
Text Adventure. North America release.  A black hole mining ship investigates an anomaly that turns out to be a giant ship.
Text Adventure. Worldwide release.  Travel through the Great Underground Empire to find the Nineteen Treasures of Zork.
Text Adventure. Worldwide release.  Enter the Great Underground Empire once again on a quest to defeat the wizard of Frobozz.

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

1981
Driving Game. North America release. The first DOS game, by Bill Gates and Neil Konzen, was an example for IBM Advanced BASIC.