Pixel-office simulator · Pre-launch 2026
Run a marketplace business. Before you risk a single dollar.
A simulator for everyone who wants to try selling on marketplaces.
SimSeller gives you the closest thing to the real experience of a product business on marketplaces in several countries — two, for now. As close as the circumstances of a game allow. You will practice the moves, understand how it is actually done, and get a real feel for the spirit of it.
What it is
A safe rehearsal of a real business
Most people who want to sell on marketplaces learn the hard way: with their own money, their own warehouse, and their own sleepless nights. The first mistakes are the most expensive ones.
SimSeller is a rehearsal. You step into a pixel office, open your seller account, order your first batch of goods, and start trading. Every number, every delay, every fee is modeled after how it really behaves.
We simulate the experience as fully as a game can. You will not lose real money here — but you will learn the same lessons.
The point is not to win a game. The point is to walk away knowing how the business actually breathes.
Two countries
One market is a trap. You will trade in two.
Real sellers who bet everything on a single country get wiped out by a single rule change. SimSeller starts you across two markets at once — and they are deliberately different. Different fees, different currency, different payout terms, different shocks. Learning to balance them is the whole skill.
Market One
Your home market
Where you start. Familiar rules, faster payouts — and the temptation to pour everything into it and never leave.
Market Two
The second front
A different country with its own fees, its own seasonality and its own surprises. Harder to enter — and the reason you survive when the first market stumbles.
Future builds add more countries. The lesson scales: spread out, or break.
The real texture
Everything that makes selling hard — modeled in
SimSeller is not an idle clicker. It reproduces the parts of the business that actually decide who survives.
Sourcing & cash gaps
Order goods from a supplier, pay a deposit, wait through production and shipping. Your money is tied up long before a single sale comes back.
Fees & payout terms
Each marketplace takes its cut and pays you on its own schedule. The gap between a sale and the cash is where sellers drown.
Ads & self-buyout
Push a listing with marketplace ads or self-buyout — but only at the right product stage, or you burn money for nothing.
Product lifecycle
Every item moves through stages — a question mark, a star, a cash cow, a dog. The tool that worked yesterday stops working today.
Shocks & rule changes
Commission hikes, category bans, a central-bank rate move. The market changes under your feet, exactly like the real one.
A team that grows
Start alone. Hire a packer, a financier, a marketer as the business grows — and learn to delegate before you burn out.
Your office
A pixel office you actually run
The whole business lives in a small top-down pixel office. You see your desk, your packer at the table, parcels piling up, the shelves filling and emptying.
It is calm to look at and serious underneath. The cozy surface is a window into a model that does not forgive sloppy decisions.
Honest note
Free, and it stays free
SimSeller is free to play. It is a sandbox to get the feel of the marketplace business — not a course, not a pitch. If you later want to go deeper, Denis runs paid courses; the game never makes you. Play it, learn from it, and decide for yourself.
Waitlist
Be there on launch day
SimSeller is still in the workshop. Leave your email and we will write to you the moment the first playable build opens — nothing else, no spam.