You run a closed AI economy of five companies. The same billion dollars goes round in a circle and becomes an investment, a contract, an order and revenue — and the valuation grows every lap, because every lap gets announced. Nothing physical happens.
Sixteen quarters. Three actions each. The bubble bursts; that part is not in question. Your score is how much you personally got out before it did.
Free, no account, nothing installed, about ten minutes. There is a new daily seed every day, and everybody playing that day gets the same one.