Welcome To Your Immune System
A retro arcade shooter about defending human cells from bacteria
The VALIDATE Network, TheDollarGameStore · Published by The VALIDATE Network · Released Dec 9, 2021
- Reviews
- Very Positive
- 93% of 59
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 28, 2026
- Steam Deck
- Playable
- Last update on Steam
- 4 years ago
- Nov 30, 2021
What is Welcome To Your Immune System?
This free, single-player 2D shooter turns macrophages, killer T cells, and cytokines into weapons against infection. You use these immune defenses to stop bacteria from infecting your cells while learning how they work in real life.
For you if...
- +you want a game designed with younger students in mind
Not for you if...
- −you want multiplayer or cooperative play
What players say
93% of 59 reviews are positive
Players praise its educational value, particularly what it teaches about immunity and vaccination. They also describe it as very short, and some find the gameplay limited.
Screenshots and trailer
Welcome To Your Immune System system requirements
Minimum: DX11 Compatible Integrated, 4 GB RAM, 0.1 GB of disk space.
As published by the developer.
Can my PC run Welcome To Your Immune System?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10
- Processor
- Dual Core 3.0GHZ Cpu
- Graphics
- DX11 Compatible Integrated Graphics Card
- Memory
- 4 GB RAM
- Storage
- 50 MB available space
Recommended
- OS
- Windows 10
- Processor
- Dual Core 3.0GHZ Cpu
- Graphics
- DX11 Compatible Integrated Graphics Card
- Memory
- 4 GB RAM
- Storage
- 50 MB available space
Does Welcome To Your Immune System have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Welcome To Your Immune System run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Default controller config not fully functional
- Sometimes shows mouse, keyboard or non-Deck controller icons
- Some text entry requires manually opening the on-screen keyboard
- Some in-game text is small and may be hard to read
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS
- Steam features
- Family Sharing
- Languages
- Text only: English, French, Spanish - Spain, Arabic, Portuguese - Portugal, Simplified Chinese.
Does Welcome To Your Immune System use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam