Genre entry · Player-driven solutions

What is an immersive sim? Systems, freedom and many solutions

A locked door in an immersive sim is a question, not a wall. Hack it, find the key, climb through a vent, distract the guard or blow it open — the game is built to accept your answer.

Abstract chrome artwork for the Immersive sim genre

Immersive sim · definition

An immersive sim is a game, usually played in first person, built from interlocking systems — physics, stealth, AI, abilities — that let players solve problems in many different ways rather than the one the designer intended.

Hallmarks to look for

Multiple solutions to most obstacles
Consistent systems that interact in ways the player can predict and exploit
Stealth, combat, hacking and social routes often all available
Levels designed as detailed spaces with many paths
Story told partly through the environment, notes and logs
Consequences for how you play, such as different endings

Where the name comes from

Immersive sims are generally traced to games from Looking Glass Studios. Ultima Underworld: The Stygian Abyss (1992) is usually considered the first, followed by System Shock, the Thief games and System Shock 2. Ion Storm’s Deus Ex (2000), produced by former Looking Glass developer Warren Spector, is one of the best-known examples.

The term “immersive sim” emerged in the 2000s and came into regular use in the second half of the 2010s, often applied retroactively to these earlier games. Studios such as Arkane continued the style with Dishonored and Prey.

One locked door, five ways through

The best way to understand an immersive sim is to imagine a single obstacle. A guarded room holds something you need. Depending on the game and your character, you might:

Find a keycard or code on a note elsewhere in the level.
Hack a terminal to open the door or turn the security turrets against the guards.
Climb through a ventilation shaft or along a rooftop.
Talk your way past, using a skill or a lie.
Create a distraction and slip in unseen.
Fight your way in.

None of these is the “right” answer. Immersive sims are designed so that each approach is supported by the level and the rules, and players often find solutions the designers did not explicitly plan.

Levels in immersive sims are usually built as believable places rather than corridors. Apartments, offices and streets are full of details, and nearly every room offers something useful, whether a code, an item or a new path.

Systems that talk to each other

Behind that freedom is a set of consistent systems. Fire burns, water conducts electricity, heavy objects can be stacked, guards respond to noise and light. Because these rules are predictable, players can combine them creatively. This is sometimes called emergent gameplay: interesting moments arise from systems interacting rather than from scripted events.

This is also why immersive sims are popular with speedrunners and experimenters. If the rules are consistent, there is always a clever way to bend them.

A simple example: a game might let you stack boxes to climb over a fence, throw a bottle to draw a guard away, or shoot a water tank to short-circuit a security system. None of these needs to be a scripted solution; they work because the game’s rules allow them. This is what makes immersive sims feel so open and why players share stories of their own improvised solutions.

Stealth, combat and playing your own way

Many immersive sims let you play almost entirely without fighting. Some track how much violence you use and reflect it in the story. Dishonored, for example, makes its world darker the more people you kill, and allows a full run without killing.

This makes the genre unusually personal. Two players can finish the same game and describe completely different experiences. It also rewards patience: watching patrol routes, reading notes and exploring rather than rushing to the objective.

Frequent quick-saving is common in immersive sims, as experimenting with an approach often means trying, failing and trying again.

Character progression usually supports this freedom. Upgrades might improve hacking, unlock new movement abilities, make you quieter or strengthen combat skills. Because you rarely have enough upgrades for everything, your choices shape which solutions are available to you, and a second playthrough with different upgrades can reveal paths you never noticed the first time.

Environmental storytelling

Immersive sims tend to tell much of their story through the world itself. Emails on computers, audio logs, notes on desks and the arrangement of rooms reveal what happened before you arrived. Paying attention pays off twice: you understand the story better and often discover codes, routes and secrets.

Warren Spector, one of the genre’s best-known designers, has described the goal as making players feel that nothing stands between them and belief in an alternate world. That sense of a real place is what the “immersive” in the name refers to.

Many immersive sims also give you characters who react to what you have done, from comments on how you completed a mission to changes in who survives. These consequences reinforce the feeling that the world takes your actions seriously.

How to approach your first immersive sim

Immersive sims reward a different mindset from most action games. A few suggestions help:

Slow down. Watch guards, read notes and look around before acting.
Look up and down. Vents, ledges, pipes and rooftops are often alternative routes.
Experiment. If something seems like it should work, try it; the game probably allows it.
Save often. Quick-saving before a risky plan lets you try another approach.
Invest in a style. Character upgrades usually favour stealth, combat or hacking, so pick what you enjoy.

It is also fine to play the same mission twice in different ways. Many fans say that their second playthrough of an immersive sim was their favourite, because they finally understood how many options they had.

Above all, resist the urge to rush. Immersive sims are at their best when you treat each area as a puzzle box, and the extra minutes spent observing usually pay for themselves many times over.

Why most immersive sims are for adults

The genre leans towards mature settings: dystopian cities, space stations in crisis and conspiracy thrillers. Four of the five starters here are rated PEGI 18 and one PEGI 16, mostly for violence and bad language. Several also contain horror elements.

For younger players interested in the idea of solving problems creatively, games in other genres with sandbox-style systems, such as survival-crafting games or puzzle games, offer some of the same satisfaction with lower age ratings.

Gentle places to start

Age ratings are the PEGI ratings listed for each game; always check the current listing on your platform before buying or downloading.

Game	PEGI	Platforms	Why start here
Dishonored: Definitive Edition	PEGI 18	PC, PlayStation 4, Xbox One	Supernatural powers, stealth and a city full of routes; you can finish missions without killing anyone, which changes the ending.
Prey	PEGI 18	PC, PlayStation 4, Xbox One	A space station designed as one interconnected place, where unusual tools and alien abilities open up creative routes.
Deus Ex: Mankind Divided	PEGI 18	PC, PlayStation 4, Xbox One	Cyberpunk espionage where hacking, talking and sneaking are as valid as fighting.
System Shock	PEGI 18	PC, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X\|S	A remake of the 1994 classic, with a non-linear space station and survival-horror tension.
Weird West: Definitive Edition	PEGI 16	PC, PlayStation 5, Nintendo Switch	A top-down immersive sim set in a dark-fantasy Wild West, showing the ideas work outside first person too.

Subgenres and offshoots

First-person stealth-action immersive simScience-fiction horror immersive simTop-down immersive simImmersive sim with role-playing systems

Questions

What is an immersive sim?

A game built from interacting systems that lets you solve problems in many ways — stealth, combat, hacking, talking or exploring — rather than one set route.

What was the first immersive sim?

Ultima Underworld: The Stygian Abyss (1992) from Looking Glass Studios is generally considered the first.

Is Dishonored an immersive sim?

Yes. It is one of the best-known modern examples, offering many routes through each mission and the option not to kill anyone.

Do you have to play stealthily?

No. Most immersive sims support combat as well as stealth; the point is that you choose.

Sources we checked

Last checked: 2026-11-03