# Koi Virus Fight — Koi Protect immune

> Cellular defense game teaching synthetic biology and immune systems. (iPhone/iPad app by TFS FINTECH COMPANY LIMITED.)

- Source: https://appshunter.io/ios/app/koi-virus-fight/id1614650747 (this page in markdown: same URL + `.md`)
- Developer: [TFS FINTECH COMPANY LIMITED](https://appshunter.io/developer/1567322433)
- Category: Games, Casual
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 52 MB
- Languages: English, Chinese
- Released: 2022-03-20
- Data updated: 2026-06-13
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/koi-virus-fight/id1614650747/reviews.md

## What is Koi Virus Fight?

As a cell, in this game, you use a total of four immune systems to fight viruses, and they are:
- lysosome
- cytochrome P450
- CRISPR/Cas
- protease. 
Homo sapiens have borrowed these immune methods from nature to develop gene-editing tools, such as CRISPR, which has greatly advanced Synthetic Biology.
By this game, you can learn more about synthetic biology 
Thanks and enjoy the game.

## Key features

- Fight viruses with four immune systems
- Learn about synthetic biology
- Explore gene-editing tools
- Cellular combat gameplay
- Educational game mechanics


## Frequently asked questions about Koi Virus Fight

### What are the immune systems used in Koi Virus Fight?

Koi Virus Fight allows players to utilize four specific immune systems: lysosome, cytochrome P450, CRISPR/Cas, and protease to combat viruses within the game.

### Can I play Koi Virus Fight offline?

The provided information does not specify if Koi Virus Fight supports offline play. However, as a game focused on learning and cellular combat, it is likely designed for single-player engagement.

### What is the learning objective of Koi Virus Fight?

The primary learning objective of Koi Virus Fight is to educate players about synthetic biology and the natural immune methods that have inspired gene-editing tools like CRISPR.

### What devices is Koi Virus Fight available on?

Koi Virus Fight is available on iPhone, iPad, and iPod devices, as indicated by its supported devices list.

### How often is Koi Virus Fight updated?

Koi Virus Fight was last updated on March 21, 2022, with version 1.0.2. The frequency of future updates is not specified.

### What is the age rating for Koi Virus Fight?

Koi Virus Fight has an age rating of 4+, making it suitable for younger players and those new to the subject matter.

### Does Koi Virus Fight have ads?

No, Koi Virus Fight does not contain advertisements, as indicated by the 'hasAds' flag being false.

### What is the user sentiment for Koi Virus Fight?

Based on the available data, Koi Virus Fight has a rating of 4.0 stars from 1 rating, suggesting a positive initial reception.

## Version history (last 1 release)

### 1.0.2 — 2022-03-21

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-13.*