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Systematic Immunity is a challenging precision platformer set inside the human body...and not a particularly healthy one either. This body has been infected by a big, nasty bugger of a germ, who is making it his business to spawn many more germs as fast as he can.
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 ends
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Lowest tracked price: €0.86 (Jul 9, 2026) · current best: €0.89 across 4 stores.
81% positive reviews all-time.
Right now the cheapest offer for Systematic Immunity is €0.89 at Eneba. KingsPrice compares 4 offers from 4 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Systematic Immunity is €0.86 (recorded on Jul 9, 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 Systematic Immunity 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.
