Systematic Immunity
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.
Offers
What are keyshops?Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
DLCs (1)
About Systematic Immunity
Use all your skills to run, jump, roll, float, bounce and teleport your way through the inhospitable tissue of your host human. But remember, each white cell can only kill one germ. So watch out for casualties!
Key Features
- Control your cells using the keyboard or XBox 360/One controller
- Play through 75 levels spread through 3 organs
- Defeat boss germs in each organ
- Collect info snippets about the human immune system and biology
- Unlock extra levels with their own collectible info snippets
- Create your own levels to play and share
Game details
Game details
Age ratings
Game modes
Languages
Features
Systematic Immunity price history
Lowest tracked price: £0.73 (Jul 9, 2026) · current best: £0.76 across 3 stores.
Systematic Immunity reviews
81% positive reviews all-time.
Systematic Immunity — frequently asked questions
Where can I buy Systematic Immunity at the cheapest price?
Right now the cheapest offer for Systematic Immunity is £0.76 at Eneba. KingsPrice compares 3 offers from 3 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Systematic Immunity has ever been?
The lowest price KingsPrice has tracked for Systematic Immunity is £0.73 (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.
Is it safe to buy a Systematic Immunity Steam key from a keyshop?
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 →
How can I get Systematic Immunity at a discount?
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.
System requirements
Minimum
- OS *: Windoes Vista, 7, 8, 10
- Processor: 3Ghz Dual Core Prcessor
- Memory: 4 GB RAM
- Graphics: DirectX 10 and Shader Model 3.0 graphics support
- DirectX: Version 10
- Storage: 400 MB available space
