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This is a variant of a very classic Sudoku game. Within a 9X9 grid, 9 different icons are placed, ensuring that each row, each column, and each section contains 9 different icons. It is extremely challenging.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
This is a variant of a very classic Sudoku game. Within a 9X9 grid, 9 different icons are placed, ensuring that each row, each column, and each section contains 9 different icons. It is extremely challenging.
Gameplay:
■ Click on the blank square, and then select an icon to fill it in.
■ Check each row, each column, and each block to see if there are any duplicate icons. Once all the cells are filled and the conditions are met, the challenge is successfully completed.
Lowest tracked price: CA$2.59 (Jul 7, 2026) · current best: CA$2.59.
Right now the cheapest offer for Sudoku-Duo is CA$2.59 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Sudoku-Duo is CA$2.59 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Sudoku-Duo 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.
