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CORE.SYS is a brainteasing action puzzler where you’ll need to break through layers of digital security with quick-thinking strategy.
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
Get ready to hack your way through increasingly complex computer systems in retro arcade style! CORE.SYS is a brainteasing action puzzler where you’ll need to break through layers of digital security with quick-thinking strategy. Move your cursor around a 5x5 grid of alphanumeric key panels, use your scanning ability to identify the next piece of code needed and select that panel to complete the code sequence, thus bypassing security and gaining access to the next layer.
Be careful, though! The deeper you hack, you’ll have to contend with more intense firewall sweeps. Can you locate the data you need to extract and get out clean?
• Hack your way into high-security computer systems!
• Move your cursor around a 5x5 grid in each system layer.
• Detect the next piece of code needed to complete the sequence!
• Avoid firewalls and security sweep.
Right now the cheapest offer for CORE.SYS is $6.99 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 CORE.SYS is $5.24 (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 CORE.SYS 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.
