# Chain reaction

> Trigger chain reactions in tactical duels against a friend or bot.

Canonical page: [https://chrome-stats.com/d/com.orbchain.reactiongame](https://chrome-stats.com/d/com.orbchain.reactiongame)

## Overview

- **ID:** `com.orbchain.reactiongame`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Noraster
- **Category:** GAME\_BOARD
- **Downloads:** 2
- **Version:** 4.0
- **Last updated:** 2026-08-21
- **First published:** 2026-08-21
- **Publisher country:** UA
- **Size:** 9.15 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.orbchain.reactiongame)
- **Privacy policy:** [https://telegra.ph/Privacy-Policy-08-06-116](https://telegra.ph/Privacy-Policy-08-06-116)

## Description

Chain Reaction is a tactical board game where a single move can trigger a powerful cascade and completely change control of the grid.<br><br>Place orbs in empty cells or cells you already control. When a cell reaches critical mass, it bursts and sends orbs into its orthogonal neighbors. Every affected orb changes to the active player’s color, and one explosion can start a much larger chain reaction.<br><br>Game features:<br><br>• local two-player matches on one device;<br>• tactical battles against a bot;<br>• a 6 × 9 strategy grid;<br>• different critical limits for corners, edges, and inner cells;<br>• cascading bursts and neighboring cell captures;<br>• player names and side selection during match setup;<br>• statistics for moves, bursts, largest chains, and final control;<br>• pause, restart, rematch, and saved-match options;<br>• an integrated field guide explaining the rules;<br>• sound, haptics, move hints, and reduced-motion settings.<br><br>Plan each placement, build critical cells, and trigger the perfect cascade to take control of the entire grid.

## Rankings

- #3,118,330 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `com.orbchain.reactiongame.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.orbchain.reactiongame)