How many of your new people have actually read the manual?
Not opened it. Read it, understood it, and could do what it says on their first difficult day. If you are honest, the answer in most businesses is: very few. The manual exists, it is correct, someone spent weeks writing it, and the real training still happens by watching a colleague and making mistakes on real customers, real machines or real money.
That is the gap a training simulation is meant to close. A simulation lets someone practise a task in a safe copy of the real thing, as often as they need, and make the mistakes there instead of on the job. Sometimes it looks like a game, sometimes like a 3D model of a machine, sometimes like a virtual reality headset in a training room.
It is also easy to get wrong, and expensive when you do. This article answers the questions I would ask before building one, so you can tell whether your training problem is a simulation problem at all.
What do we actually mean by a simulation?
A training simulation is a piece of software that copies the parts of a real situation that matter for learning a task, and leaves out the rest. It shows the trainee what they would see, lets them do what they would do, and reacts the way the real thing would, including when they get it wrong.
That can be modest. A sequence of screens showing a control panel, where the trainee has to press the right buttons in the right order, is a simulation. So is a 3D model of a machine that can be taken apart and put back together on a tablet. At the other end are full virtual reality scenes where someone walks through a site, picks up tools and reacts to an emergency.
The size of the build follows from one question: how much of the real situation does the trainee need in front of them to learn the task? The answer is often much less than people expect.
When is a simulation the right tool?
A simulation earns its cost when the task has some of these features:
- **Mistakes in real life are dangerous or expensive.** Damaged equipment, wasted material, an injured person, an unhappy customer you cannot win back.
- **The real thing is hard to get to.** The machine is in production all day, the site is far away, the situation happens rarely, such as an emergency or a fault that comes up once a year.
- **The task is about doing, not knowing.** A sequence of steps, a decision under time pressure, handling a piece of equipment. Reading about it does not build the skill.
- **Many people need the same training,** again and again, as staff change.
- **You need to know who can really do it,** not just who signed the form saying they read the procedure.
If none of these is true, a simulation is probably not your answer. A short video, a checklist on the wall or an afternoon with an experienced colleague may teach the task better and cost a fraction.
Does it have to look like a game?
The word "game" makes some business owners nervous, as if the training would not be taken seriously. In practice, the parts of a game that matter for training are not points and badges. They are the things that make people practise willingly: clear goals, immediate feedback, a chance to try again without embarrassment, and a sense of progress.
A trainee who fails a step in a simulation sees exactly what went wrong, can try again straight away, and nobody is watching. That is the opposite of the real job, where a mistake is public and often cannot be undone. The "game" part is what makes the tenth attempt as easy to start as the first.
Scores and levels can help, but only if they measure what you care about. A simulation that rewards speed when the real job rewards care will train the wrong habit.
Do we need virtual reality?
Virtual reality gets the attention, and for some tasks it is the right choice: when the trainee needs to move their body, judge distances, work in a space, or feel the pressure of a situation around them. Walking a site, working at height, finding the right valve in a crowded plant room.
For many tasks it is not needed. A procedure on a control panel works perfectly well on a tablet or a laptop. A 3D model a trainee can turn and take apart on a screen teaches the structure of a machine without anyone wearing a headset. A tablet version also reaches more people, needs no special room, and is easier to keep up to date.
My rule of thumb is to choose the simplest device that lets the trainee practise the real movement or decision. If that means a headset, use one. If it means a phone, do not buy headsets for the photographs.
Five questions to answer first
- Which single task causes the most mistakes, damage or risk today?
- What does a mistake in that task cost when it happens on the job?
- How do people learn it now, and how do you know when someone has?
- How often does the task, the machine or the procedure change?
- Who in your business knows the task best and could spend time with the people building it?
If you can answer these five, you already have most of what is needed to judge whether a simulation is worth it.
How big should the first version be?
The most common way these projects go wrong is trying to simulate everything. The whole factory, every machine, every procedure, in the first version. That becomes a long, expensive project that is out of date before it is finished.
The better approach is to pick the one task that matters most, the one with the most risk or the most mistakes, and build a simulation for that alone. Put it in front of real trainees. Watch where they struggle and what they ignore. Then decide whether to go further.
A small simulation that is used every week is worth more than a large one that is admired once at its launch and then left on a shelf.
Who decides what goes into it?
Software developers can build the simulation, but they cannot know what matters in the task. That knowledge sits with your best people: the operator who has done the job for years, the supervisor who sees the same mistakes every month, the safety officer who knows what really goes wrong.
Those people need time with whoever builds the simulation, early and more than once. They should try the first rough version and say where it is wrong, where it is too easy and where it teaches something that is not how the job is really done. A simulation built only from the written procedure will train people to follow the procedure as written, which is not always how the work is safely done in practice.
How do we know it is working?
A simulation can record what each trainee did: which steps they got right first time, where they hesitated, what they tried after a mistake. That is more useful than a signature on a training form, but only if someone looks at it.
Decide in advance what "can do the task" means, in terms the simulation can check. Then decide who sees the results and what they do with them: a trainee who keeps failing one step gets extra time with a colleague; a step that most people fail is probably explained badly, in the simulation or in the procedure itself.
Keep in mind that passing a simulation is not the same as being competent on the real job. It is a strong sign, and a good filter before someone is allowed near the real thing, not a replacement for watching them do it.
What happens when the real job changes?
Procedures change, machines are replaced, the layout of a site moves. A simulation that no longer matches the real job is worse than none, because it trains people in the wrong way with full confidence.
Before building, ask how a change will be made later and who will make it. Text, steps and checks should be easy to change without rebuilding the whole thing. 3D models of equipment take more work to change, so it is worth knowing which parts of your equipment are likely to stay the same and which are not. The build should be handed over with everything you need to change it, so you are not tied to one developer for every update.
What I would do
When someone brings me a training problem, I start by asking to watch the task being done, and to talk to the person who trains new staff today. Often the answer is not a simulation at all, and I say so.
When it is, I keep the first version small: one task, the simplest device that works, built with your experienced people looking at it from the first week. The simulation is built with Unity, which runs on phones, tablets, computers and virtual reality headsets, so the choice of device can change later without starting again. I lead the work myself and bring in a 3D artist or other specialist when the task needs one.
And I make sure you own the result: the project, the models and the instructions for changing it.
Which task in your business is hardest to learn safely?
Discuss your projectDescribe it in a few lines and I will tell you whether a simulation is the right tool, or what would work better.