Mac OS is the classic Macintosh operating system. It first premiered on January 24, 1984. It was succeeded by OS X, also known as Mac OS X and macOS.

Released
2001
The final Monkey Island game has Guybrush fighting an Australian who is buying all the land in the Caribbean.

1998
The hero enters a contest to become king of Silmaria, but an assassin is killing off all of the contestants.

1997
Rescue your girlfriend and uncover the secrets behind the upcoming eclipse.
While just doing his job, Feeble gets caught in a plan to overthrow the government.
A private in the Inquisition Guard is tasked to explore an unknown area of the Great Underground Empire.

1996
Sixty years after The 7th Guest, a reporter enters Stauf's mansion after his producer disappears during a murder investigation.
Investigate a murder in Paris, uncover a conspiracy and try to clear your name.
In this early casual adventure game, each adventure is different as each game is randomly generated.
While on a cruise ship, Larry has to cheat to win a weekly contest held by Captain Thygh.
Christopher Lloyd is Drew Blanc, an animator who ends up in a cartoon world of his own creation.

1995
A point and click adventure game targeted towards young girls that revolves around search and discovery.
Based on a concept by Steven Spielberg. Three astronauts investigate an asteroid and are taken to another planet.
Tim Schafer's first heavy metal game. Save your gang, your girlfriend, and your very way of life.
Gabriel inherits a castle in Germany. Once there, he investigates the apparent werewolf-related death of a little girl.
A writer named Adrienne Delaney moves into a mansion where a demon possesses her husband's body.
A teenager is dared by his friends to spend the night inside of a haunted museum.
Foil the evil sorcerer Sordid's plans of revenge.
Roger resumes his role as a janitor, but it's not long before he stumbles into another adventure.
Torin, a son of a farmer on the planet Strata must rescue his family and defeat the evil sorceress Lycentia.

1994
The evil jester Malcolm, the villain from book one, attempts to prove his innocence in the crime of killing the king and queen of Kyrandia.
Separated, mother and daughter must find each other and save the kingdom of Eldritch.
A private investigator is hired to spy on a house of a wealthy man running for president of the USA, to find incriminating information.

1993
Enter Stauf's mansion and solve the riddles of the diabolical machinations inside.
Alluded to in Bright Side of the Moon. Travel through time and stop an evil tentacle from taking over the world.
Freddy Pharkas must discover who is scaring away all of the land owners in Coarsegold and put a stop to it.
Gabriel Knight finds out about his Schattenjäger heritage, and is tasked with stopping a series of voodoo killings.
Alluded to in Bright Side of the Moon. Break into a spooky mansion to save your cheerleader girlfriend.
Los Angeles homicide detective John Carey investigates a serial killing where his ex-partner was one of the victims.
While on holiday in the Valley of the Sparrows, you must put an end to the powers that have destroyed the land.
The original Sam & Max game by LucasArts. The duo travel across the USA in search of a missing Bigfoot.

1992
Alluded to in Homestar Ruiner. Uncover the power of the lost city of Atlantis before the Nazis.
Brandon, an inhabitant of the Kingdom of Kyrandia, attempts to free both his grandfather and the kingdom itself from an evil curse.
Alexander sets sail for the Green Isles in search of the beautiful Princess Cassima.

1991
Solve all of the puzzles in order to become the assistant to the mad-scientist Dr. Brain.
A voodoo doll causes King Angoulafre to go mad, so three gobliiins search for Niak the Wizard to help the king.
An amnesiac Larry searches the USA for girls to star in a TV show and tries to regain his memory.
Alluded to in Host Master. Search for a treasure with powers that can get rid of the dreaded pirate LeChuck for good.
Sherlock Holmes, consulting detective, must solve three cases in this live action full motion video adventure.
Roger travels through time to try to avoid being captured by an old enemy.

1990
Search for and defeat an evil wizard who has stolen your castle and your family.
Alluded to in Moai Better Blues. Hone your magical powers as you uncover a plot to control the threads of existence.
Often alluded to in Telltale's games. Become a pirate, defeat an evil ghost captain, and rescue the governor.

1989
A navel officer is sent to Tunisia to rescue a US ambassador in order to prevent war.
The origin of the fine leather jackets in-joke. Rescue Indy's father from the Nazis and recover the holy grail.
Work with the aliens while secretly working to get rid of them.
An adventure/RPG hybrid where you must battle monsters and solve quests to become a hero.
Rescue the two guys from Andromeda from the evil ScumSoft corporation.

1988
Sell your home in New York and head out to Gold Rush-era California to strike it rich.
Travel to the kingdom of Tamir to save a fairy and find a magical fruit to heal your dying father.
In this adventure game for children, open a manhole cover to find a beanstalk leading to fantastic worlds.
A curse made by Megaboz the Magnificent must be lifted by Curse Day or the empire will fall.

1987
In this game aimed at children, nursery rhymes are mixed up and you have to fix them.
The last of the great hero kings enters Castle Shadowgate to stop the Warlock Lord from summoning a hell demon.
The Sarien leader seeks revenge on intrepid janitor Roger Wilco.

1986
A slave to a wizard must escape from the wizard's house without the wizard finding out what he is up to.
A janitor must save his planet from alien invaders known as the Sariens.

1985
Travel to a faraway land to rescue the beautiful Valanice from a witch who has imprisoned her in an ivory tower.

1984
Sir Graham is chosen to find the three treasures of Daventry. Once he finds them, he shall become king.
A voice says you have passed all tests but one. Survive the horrors of the dungeon and you earn your reward.
Enter the Great Underground Empire once again on a quest to defeat the wizard of Frobozz.
Travel through the Great Underground Empire to find the Nineteen Treasures of Zork.