# Criticality Idle - Reactor Sim

> Work your way through various reactor designs to unlock the the most powerful!

Canonical page: [https://chrome-stats.com/d/org.quantumfuzz.criticalityidle](https://chrome-stats.com/d/org.quantumfuzz.criticalityidle)

## Overview

- **ID:** `org.quantumfuzz.criticalityidle`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Quantum Fuzz
- **Category:** GAME\_SIMULATION
- **Downloads:** 5,538
- **Version:** 0.1.13
- **Last updated:** 2026-06-29
- **First published:** 2026-06-29
- **Publisher country:** US
- **Size:** 110 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=org.quantumfuzz.criticalityidle)
- **Website:** [http://quantumfuzz.org](http://quantumfuzz.org/)
- **Privacy policy:** [https://www.termsfeed.com/live/98bbba98-6f9d-4480-aa92-78c47ed00b46](https://www.termsfeed.com/live/98bbba98-6f9d-4480-aa92-78c47ed00b46)

## Description

Inspired by real simulation tools used by nuclear engineers, Criticality Idle simulates nuclear reactor physics in a fun way that anyone can understand.<br><br>Work your way through various reactor layouts, from realistic to silly, and everything in between.<br><br>Reactor components include fuel, control rods, water, graphite, reflectors, and neutrons, all of which have multiple upgrades to increase power and income.<br><br>Simulator particle limit can be adjusted based on your device capabilities while still maintaining accurate power and income levels.<br><br>Early access out now! New reactors to be added weekly!

## Rankings

- #691,988 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `org.quantumfuzz.criticalityidle.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/org.quantumfuzz.criticalityidle)