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You tear through rock and steel: YOUR ONLY HOPE. For between the enemy and victory lies a devastating weapon, and between you and the enemy lies TUNNEL B1.
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
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Right now the cheapest offer for Tunnel B1 is CA$5.67 at Gamivo. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Tunnel B1 is CA$3.99 (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.
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. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when Tunnel B1 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.
