As a foundational life-building simulator released in 2000, this game centers on managing the intimate details of individual characters rather than large societies. You develop Sims from scratch, molding their personalities, careers, desires, and moods while constructing and furnishing their living environments. The core loop involves constant decision-making regarding skill development for career progression across ten tracks, managing interpersonal relationships, and ensuring basic needs are met, as neglect can lead to severe consequences, including death. The experience is available on PC, Mac, and Linux, and has been supplemented by several expansion packs.
Management in this simulation centers on constant decision-making. Players are responsible for designing and maintaining the physical world where the Sims reside, which involves purchasing, placing, and replacing household and office furnishings. Guiding your Sims through their various life development phases is central, as is managing the chemistry and interactions between them through conversation and relationship building.
Success in career advancement is tied directly to skill development. The game features ten distinct career tracks, each containing ten levels. Sims must cultivate specific skills to progress up the ladder in their chosen profession to earn income for the household.
The simulation includes dynamic events that can significantly impact your Sims. These range from environmental hazards like floods and fires to criminal activity such as robberies. Crucially, player neglect has severe consequences. Failure to meet basic needs—such as energy, hunger, or hygiene—can lead to negative outcomes, and in extreme cases of neglect, death is an option and entire family lines could be wiped out.
This original installment of the life simulation series is available for PC (Microsoft Windows), Mac, and Linux platforms.
While the base game provides the complete core experience, it has been supported by seven expansion packs that introduce new features, objects, and gameplay mechanics to deepen the simulation.

The Sims: Makin' Magic is the seventh and final expansion pack for The Sims, bringing an assortment of magical powers and abilities to Sims characters - allowing them to take care of household chores with a snap, win the affection of an unrequited love using special charms, or even turn a bothersome neighbor into a frog. This pack also includes many new house objects with which Sims can interact, including beehives, spinning wheels, butter churns, and other equipment that can be used to create spell ingredients.

The Sims: Superstar is the sixth expansion pack for The Sims, allowing players to guide Sims to fame. For the first time, players can follow their Sims to work as they pursue careers as Rock Stars, Movie Stars, or Supermodels in the new, customizable Studio Town area. New work and leisure items are included, and in addition to the ratings for relationships and skills, players can now track the fame score ratings of their characters.

Home consoles version of The Sims.

The Sims: Unleashed is the fifth expansion pack for The Sims, designed to offer truly lively animal friends, with all the fun and responsibility that comes with pet ownership. Apart from introducing pets into the game as Sims and not objects, Unleashed also offers new careers including Chef, Circus Performer, and naturally, Veterinarian. The expansion also adds 125 new objects, for both pets and people. For the first time, Sims can grow vegetables in their own garden plots. Harvested crops are stored in a pantry, then sold at a farmer's market or enjoyed by the farmers themselves. Gardening Sims may especially appreciate a devoted feline friend, who will help by chasing rabbits and gophers away from the crops.

The Sims: Vacation, known as The Sims: On Holiday in the Republic of Ireland, the UK, China and Scandinavia, is the fourth expansion pack for The Sims. Vacation introduces new items, characters, and features, as well as a new destination called Vacation Island where Sims can take vacations with family members or with other Sims. This marks the first time Sims can stay on lots away from home, meaning the game can be saved while a Sim is on Vacation Island. Vacation Island is split into three distinct environments: beach, forest, and snow-capped mountain. Sims can purchase or find souvenirs and either stay at a hotel or rent a tent/igloo.

The Sims: Hot Date is the third expansion pack for The Sims, representing an entirely new experience for your Sims - dating! With exciting new characters, interests, romance objects, and an all-new downtown area filled with restaurants, shops, and parks, you will get your Sims off the couch and into the singles scene. Play matchmaker for your Sims and watch them become lovers or liars! It also introduces community lots to the series, making it the first instance where players are able to play their Sims on lots other than the Sim's home lot.

The Sims: House Party is the second expansion pack for The Sims and is all about, well, parties. Everything in it is designed to make parties more fun for both you and your Sims. There are over 100 new objects and characters; 5 new music styles; 5 new dance styles to match the new music; and three new themes - Cowboy, Luau, and Rave.

The Sims: Livin' Large, known as The Sims: Livin' It Up in Europe, is the first expansion pack for The Sims, adding new characters, careers, items, and features. Unlike later expansions, it has no specific theme, however, many of its additions have sci-fi, fantasy, or supernatural elements, such as the entire Paranormal career track.