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Startup Simulator

A free web demo — play it in your browser, no install. A 3D business simulation in your browser: grow a company from a garage to a skyscraper and learn business administration and accounting along the way, with an income statement and balance sheet after every day. Built with Three.js.

by @nicks2d · nicks2d/Startup-Simulator- on GitHubLANG HTMLHOSTED ON NICKS2D.GITHUB.IOUPDATED 21 Oct 2026

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Controls: Rotate the view: right-drag, Q / E or the buttons on the left

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From the README

A 3D business simulation in your browser: grow a company from a garage to a skyscraper, and learn business administration and accounting along the way.

Pick an industry, set your prices, hire people, furnish your office and move into ever bigger buildings. At the end of every day you get a real closing: an income statement, a balance sheet as a T-account and every journal entry behind it. And the balance sheet always balances.

The interface is in German.

Read the full README on GitHub →

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