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About Welcome to Your Immune System
Welcome to Your Immune System is an arcade-style game where you defend human cells from invading bacteria. Use macrophages, killer T cells and cytokines as weapons, and learn how these work in real life.
The game draws on retro 2D arcade games such as Asteroids and Space Invaders. It is designed to engage students aged 11–14 with immunology, vaccines and the history of science, and can also be used by teachers, researchers and parents to introduce these topics to young people.
Frequently asked questions
Yes. Welcome to Your Immune System is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for Welcome to Your Immune System are: Windows 10, 4 GB RAM, 50 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Welcome to Your Immune System is a single-player game.
Mostly, yes. Valve rates Welcome to Your Immune System as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. Welcome to Your Immune System is the full base game. You need nothing else to play it.
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