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About this bundle Introducing the Serum - Official Guide Edition: Experience the full thrill of survival with everything you need to conquer the dark and infected world of Serum. Dive into the heart-pounding survival adventure with the main game, enhanced by the Official Guide for expert insights and strategies. Prepare for the ultimate survivor gaming experience, where every detail is at your fingertips.
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.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Lowest tracked price: PLN 29.53 (Jul 7, 2026) · current best: PLN 29.53 across 3 stores.
