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This pencil puzzle involves filling in the blanks with numbers 1 - 9 to match the numbers in the problem squares. Enjoy the light-hearted effects and have fun!
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 Train Fest starts Jul 20, 2026
Official stores with direct support.
Lowest tracked price: PLN 10.79 (Jul 7, 2026) · current best: PLN 10.79.
100% positive reviews all-time.
Right now the cheapest offer for Add Cross is PLN 10.79 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 Add Cross is PLN 10.79 (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 Add Cross 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.
