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Take on the role of Gilbert 'Grumpy' Gumphrey, veteran store detective, in this classic game from 1985. Perform various tasks, from rescuing children, to putting out fires, to getting the boss a nice cup of tea, but be careful - fail to manage your time correctly and you could get the sack!
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
Official stores with direct support.
Lowest tracked price: PLN 17.99 (Jul 7, 2026) · current best: PLN 17.99.
Right now the cheapest offer for Grumpy Gumphrey: Supersleuth (CPC/Spectrum) is PLN 17.99 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 Grumpy Gumphrey: Supersleuth (CPC/Spectrum) is PLN 17.99 (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 Grumpy Gumphrey: Supersleuth (CPC/Spectrum) 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.
