business.game is a free business simulation game that runs entirely in your web browser. There is no download, no signup, and no paywall. You open a small shop in a pixel-art city, set your prices, order stock, hire a crew, and read your own books — and if the numbers work, you grow that one corner shop into a city, then an empire, then something a great deal larger. The game simulates real unit economics: every cup, pair, and order in it has a cost, a price, and a margin, and the difference between those numbers is the whole game.
Most tycoon games hand you upgrades for playing long enough. Here, every meaningful upgrade is earned by passing a skill check on your own live numbers — a break-even question about your shop, a customer-acquisition question about your ad spend. You cannot memorize the answers, because the answers change with how you play.
A run starts with one business and a small float of cash. Time moves in minutes; a full trading day passes in about a minute of real time, and a week ends in a board review that grades your pricing, marketing, operations, and people decisions with the actual arithmetic shown. Nothing in the report is vibes: if the board says your margin was 61%, you can check it against your own books, line by line.
Demand in business.game follows a constant-elasticity curve, the same model used in real price-elasticity analysis. Underprice and you leave money on every sale; overprice and walk-ins fall off a cliff past the kink. The espresso bar opens at a $4.50 street average with $1.10 direct costs — where you take it from there is the first real decision of the game.
Inventory arrives on lead times measured in game-hours, bulk packs are cheaper per unit but tie up cash, and rush orders cost a fee that the game will politely describe as poor planning. Days of cover — how long your shelf lasts at the current sales rate — is the operations number the game teaches you to watch, because a sold-out afternoon is rent paid for customers you turned away.
Buzz decays every day. Flyers, local ads, influencer posts, and word of mouth each have a cost and a half-life, and the game tracks blended customer-acquisition cost against gross profit per visit. If a channel pays back in under two visits, the board will tell you that is buying money at a discount — and if it does not, it will tell you that too.
Crew members have wages, speed, and morale. A queue that outruns your counter loses customers you already paid to attract; a crew standing idle is labor cost with nothing to do. Utilization between those two failure modes is the people game.
Every Sunday the board grades the week A through F across four disciplines, with the arithmetic on the table. Rent ratchets up 6% a week, a competitor across the street takes a growing slice of walk-ins, and one seeded event per week — a supplier repricing, roadworks, a labor-market squeeze — keeps a good playbook from running on autopilot.
"In this business you get eleven customers a day and each one pays your rent or doesn't. No sloppy pricing." — Rae, the in-game mentor, on opening day of a streetwear shop
Each venture in business.game is a different economic shape, not a reskin. Margins, traffic, lead times, and failure modes all change, which is why a pricing strategy that carries the espresso bar will quietly bankrupt the watch brand.
| Business | Type | Economic shape | What it teaches |
|---|---|---|---|
| Espresso bar | Retail storefront | High volume, honest margins, brutal morning rush | Throughput and break-even discipline |
| Bubble tea truck | Retail truck | Cheap rent, fad-driven demand, 3pm spike | Buzz management and timing |
| Streetwear resale | Retail storefront | Fat margins, thin traffic, high rent | Every-customer-matters pricing |
| E-commerce store | Online shop | Bought traffic, designed conversion, shipping deadlines | CAC, conversion, and fulfillment |
| D2C plush startup | Online hardware | Manufacturing batches, air-freight rush fees, review-driven virality | Working capital and lead times |
| Watch brand | Online brand | You source every part — case, movement, dial, band — and sell the story | Product coherence and brand pricing |
| Marketing agency | Services | No product, no stock; you sell hours and outcomes on retainer | Pipeline, delivery, and churn |
The deeper ventures include a full product studio. The watch brand sources cases, movements, dials, bands, and crystals from a supplier marketplace with minimum order quantities, lead times, and quality tiers — or you describe a part in plain words ("a dragon in relief, made of gold") and the game's AI sources and prices it. Product coherence is scored, and a build that tells one story earns pricing power that a parts-bin build never will. The espresso bar sources beans the way a real importer does; the agency picks a niche and builds a portfolio.
Progression runs on two tracks. Twelve skills — pricing, margin, operations, people, craft, audience, product, finance, sales, logistics, engineering, capital — level from 0 to 99 on an experience curve deliberately borrowed from the slowest, most respected grind in gaming, so the top of the table is a genuine commitment. Every level is earned in play and every level does something: price tolerance, supplier costs, delivery leads, crew speed.
On top of that sits the mastery tree. Licenses gate the sharpest tools — bold pricing beyond the street band, bulk stock orders, the influencer channel, a bigger team — and each license is a skill check computed from your own live numbers. Beyond the licenses come objectives you must achieve in play (close a day at 70%+ gross margin with 20+ sales, hold a full day of stock cover two days running) and capstones that change how your whole empire runs, like standing orders that manage stock automatically and a second-site playbook that cuts every future venture's opening cost by 20%.
"Training raises the ceiling permanently. Lunches rent speed; skills own it." — Rae, on why the TRAIN button beats the pizza budget
The trophy case tracks the run: first profitable week, an A-grade board, surviving a bankruptcy scare, your first million, and rarer things much further up. Levels, trophies, and board grades are designed to be shown off — the screenshot is the brag.
Your businesses live on real plots in a procedurally built isometric city — traffic, pedestrians, a bridge, a park, weather in the sky. Tap a glowing plot to build; tap a storefront to walk in and run it. As your net worth crosses each era threshold the map widens: new districts, new cities with their own rents and traffic, and eventually a world map where the ambitious late game stops being metaphorical — satellites, launch pads, and an asteroid with your name on it.
The AI layer is not a chatbot bolted on. Rae, the in-game mentor, reads your actual books before speaking; the copy grader scores the ad you wrote and multiplies your campaign by it; and the venture engine prices anything you can describe — pitch a niche magazine, a ferry line, or an orbital junk-removal service and the game will cost it, staff it, and let you run it.
business.game was built on a simple bet: a simulation can teach real business skills faster than a textbook, because the numbers are yours and the consequences arrive in minutes, not semesters. These are the concepts the game exercises, each one applied rather than defined:
"Add-ons: the second item rides on rent you already paid. Nearly pure margin." — Rae, explaining attach rate better than most retail consultants
Business simulation games are one of gaming's oldest genres — from 1973's Lemonade Stand through Capitalism, RollerCoaster Tycoon, Game Dev Tycoon, and the modern colony-and-logistics school — because running a system that pushes back is inherently satisfying. The genre's open secret is that the best ones are accidentally educational: a generation of players learned supply chains from spreadsheet games about space trucking.
business.game runs that logic on purpose. It keeps what makes tycoon games fun — visible growth, a city that fills in, numbers that go up because you made them — and swaps the usual fake economy for a real one. The result reads like a game and compounds like a course:
business.game works as a classroom companion for entrepreneurship, economics, and business-studies courses because every mechanic maps to a syllabus concept and every claim the game makes about your performance is shown with its arithmetic. It runs in a browser on school hardware, needs no accounts or installs, and a single lesson's worth of play produces a week's worth of numbers to discuss: break-even points, margin structures, CAC payback, and one graded board review per student, each different because each shop was run differently.
The mentor's advice is generated against each student's own state, so no two playthroughs produce the same lecture — a property teachers will recognize as the difference between a worksheet and a tutor.
Yes. The full game is free to play at business.game — no purchase, no premium currency, no ads sold against your attention. It is a portfolio-grade production built to be played.
No. The game runs entirely in your browser and saves automatically to your device. You can close the tab mid-week and resume exactly where you left off.
Yes. The interface is built for touch as well as mouse — tap to build, drag to pan the city, and every panel reflows for small screens. A desktop browser gives the most comfortable view of the city.
It is an active business tycoon simulation, closest in spirit to the classic tycoon school. Time only moves while you play, decisions matter minute to minute, and there are no idle mechanics: nothing accrues while you are gone, because the game is about running the business, not watching it.
Your first in-game week — the full arc from opening day to your first board review — takes roughly 15 to 20 minutes. A run to the first era threshold is an evening. The full climb through every era and a maxed skill table is designed to take a very long time on purpose.
Three jobs. Rae, the mentor, reads your live books and speaks to your actual situation. The copy grader scores ad copy you write yourself and applies the multiplier to your campaign. The venture engine prices, staffs, and simulates any business you can describe in a sentence, which is how the late game lets you launch more or less anything.
Yes. Run out of cash with payroll due and the game closes your doors — with a diagnosis of which decision sank you, because a bankruptcy you understand is worth more than a win you don't. You can always start a new run.
Not currently. The game is single-player; the competitive layer is the share-worthy artifacts — total level, trophies, board grades, and net-worth milestones.
Yes, freely. It needs only a browser, no student accounts, and no installation, which makes it usable on locked-down school hardware. The section above for teachers has ready-made exercises.
It is designed, built, and operated by a solo developer as a production-grade demonstration that a game can be genuinely fun and genuinely instructive at the same time — with AI used in every layer of both the game and its development.