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An open world idle tycoon rpg about making money.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support.
Poly Plaza ULTIMATE is an idle tycoon rpg where you explore an open world to purchase properties and generate passive incomes!
Purchase properties to generate passive incomes
Explore the worlds to collect new items to sell in shops
Craft new expensive items for more EXP and cash!
Purchase a new vehicle to navigate the open world and store more objects!
Explore the big city of Poly Plaza to find new items to collect and new properties to invest in!
Right now the cheapest offer for Poly Plaza ULTIMATE is CA$1.06 at GamersGate. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Poly Plaza ULTIMATE is CA$1.06 (recorded on Jul 12, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle.
Create a free price alert on this page and KingsPrice will email you when Poly Plaza ULTIMATE drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
