Modelling reality — from cockpits and cities to entire civilisations
| Foundational title | Flight Simulator (subLOGIC, 1980) |
| Defining title | SimCity (Maxis, 1989) |
| Best-selling PC game | The Sims (Maxis, 2000) |
| Key developers | Maxis, MicroProse, subLOGIC, Bullfrog |
Simulation games model real systems in detail, prizing fidelity and depth over arcade immediacy. From flight simulators demanding hours of study to city builders where the player is planner rather than hero, the genre asks players to understand a system rather than beat it.
Simulation games are defined less by a common set of mechanics than by a shared ambition: to model a real system faithfully enough that understanding the model becomes the pleasure. A flight simulator does not reward reflexes so much as procedure — checklists, instruments, and the patience to learn what each switch does. A city builder gives the player no avatar and no enemies, only a system of traffic, taxation, zoning, and pollution to be understood and nudged. What unites them is that mastery means comprehension rather than execution.
This makes simulation the genre least concerned with being a game in the conventional sense. Many of its most celebrated titles have no win condition at all: SimCity cannot be beaten, only sustained or ruined, and The Sims simply continues. The genre trades victory for the deeper satisfaction of watching a complex system respond intelligibly to your decisions — a pleasure closer to gardening or engineering than to combat.
The genre began in the air. subLOGIC's Flight Simulator (1980) brought genuine aviation modelling to home computers, and when Microsoft licensed and published it the series became one of the longest-running in software history, prized by hobbyists who studied real aircraft manuals to fly it properly. MicroProse, founded by "Wild Bill" Stealey and Sid Meier, built a business on military vehicle simulation through the 1980s.
Then Will Wright changed what a simulation could be. SimCity (1989) had no combat, no protagonist, and no ending — a proposition publishers found so baffling that it struggled to find a home — yet it became a phenomenon and spawned an entire lineage of Sim titles at Maxis. Peter Molyneux's Populous (1989) meanwhile invented the god game, casting the player as an unseen deity shaping terrain. Wright would go on to produce The Sims (2000), a simulation of ordinary domestic life that became the best-selling PC game ever made and drew an audience of players who had never considered themselves gamers.
Simulation mechanics are built from interlocking systems rather than discrete challenges. The player typically has indirect control: a mayor cannot place a citizen, only zone the land and hope; a god cannot command a follower, only raise the ground beneath them. This indirection is deliberate, forcing the player to work with a system's logic instead of overriding it, and it produces the genre's characteristic emergent surprises — the traffic jam nobody designed, the family disaster nobody scripted.
Fidelity is the other axis. Hardcore simulators pursue accuracy relentlessly, modelling stall behaviour, fuel burn, and instrument failure, and they expect the player to consult documentation. Lighter simulations abstract aggressively to keep the systems legible. The genre's enduring internal tension is exactly this: how much realism can be added before the model stops being playable, and how much can be stripped before it stops being a simulation.
Simulation has repeatedly pulled video games toward audiences that other genres could not reach. SimCity was adopted by educators and even urban planning courses, giving games an unusual claim to intellectual respectability, and The Sims reached an enormous audience — notably including many women and older players who had been alienated by the shooting and sports titles dominating the market. Its commercial success made it, for years, the best-selling PC game in the world.
The genre also proved something the industry has never entirely absorbed: that a game does not need a win condition, an antagonist, or a protagonist to be compelling. That argument, made most forcefully by Will Wright, opened the door for the management, builder, and life-simulation games that remain among the most played in the world, and it stands as one of the clearest cases of the medium expanding by refusing its own conventions.