# MicroField — Walk, evolve, grow colonies

> Walk, evolve, grow colonies (iPhone/iPad app by Rikuto Yasuda.)

- Source: https://appshunter.io/ios/app/microfield/id6809292359 (this page in markdown: same URL + `.md`)
- Developer: [Rikuto Yasuda](https://appshunter.io/developer/1750815199)
- Category: Games, Simulation, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 8 MB
- Languages: Japanese
- Released: 2026-09-09
- Data updated: 2026-10-11

## What is MicroField?

Create a Micro, evolve it in your lab, and spread its colonies as you walk. MicroField is a location-based game with a Japanese gameplay interface. Terms, privacy information and the age gate are available in English.

MAKE YOUR MICRO
Choose a name, shape, color and starting traits for a fictional digital organism. Its seeded cyber appearance and generated name modifier give your creation its own identity.

WALK AND ESTABLISH COLONIES
Visit nearby places and check in. Recorded walks earn game credits and materials, and can leave Micros along your route. Watch colonies spread as colored particles across the map.

CHOOSE HOW IT EVOLVES
Spend DNA and materials to improve spread, persistence and other traits. Compare changes in the lab before evolving. Select one shared trait: transmission, persistence or symbiosis. Each changes how your Micro spreads, how long it is carried or how much it affects its carrier.

STUDY WHAT YOU ENCOUNTER
In-game infections leave samples you can analyze by walking. Use care to recover and gain immunity, or carry a Micro to another place for a delivery reward. Samples remain available for research after recovery.

PLAY SOLO, OR JOIN THE SHARED FIELD
Environmental Micros and research tasks let you progress without nearby players. If you choose to join the shared field, Micros can travel between people who visit the same places at different times. Both players do not need to have the app open together. Relay totals appear in your records.

START WITHOUT AN ACCOUNT
Real-world play requires location permission. A separate demo lets you try a fictional city without it. Optional motion access can turn available device walking history into game resources when you next open the game. Always-on location permission is not required.

For ages 13 and up; minors need permission from a parent or guardian. Players aged 18 or over may opt in to banner ads in Records after privacy checks. Ads are off by default and can be turned off in settings. There are no full-screen ad interruptions or rewards for watching ads.

Infections, immunity, medicines, facilities and resources are fictional game mechanics. They do not describe real health, medical treatment or infection conditions. Stop somewhere safe before using the screen. Map display and sharing require an internet connection. Districts and facilities are fictional game markers; interact from a publicly accessible location within 180 meters.

Initial version: guest play only, with progress stored on this device. Apple account linking, cloud saves and cross-device recovery are not available.


## Version history (last 3 releases)

### 0.1.2 — 2026-10-10

Updated the App Store listing. App functionality is unchanged.

### 0.1.1 — 2026-09-25

Added optional banner ads in Records for players aged 18 or over, after privacy checks. Ads can be turned off in settings. No full-screen ads or rewards for watching ads.

### 0.1.0 — 2026-09-09

No release notes.

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## More apps by Rikuto Yasuda

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- [コピペのポッケ - クリップボード履歴](https://appshunter.io/ios/app/id6795345209)
- [かぞくノート - 介護記録・家族共有](https://appshunter.io/ios/app/id6796179267)

All apps by Rikuto Yasuda: https://appshunter.io/developer/1750815199

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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 2026-10-11.*