# Gem RailZ

> Flip crystal rail switches for colored gems before short windows close.

Canonical page: [https://chrome-stats.com/d/com.railz.GemRailZ](https://chrome-stats.com/d/com.railz.GemRailZ)

## Overview

- **ID:** `com.railz.GemRailZ`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Evance
- **Category:** GAME\_CASUAL
- **Version:** 1.0
- **Last updated:** 2026-09-03
- **First published:** 2026-09-02
- **Publisher country:** CN
- **Size:** 10 MB
- **Data as of:** 2026-10-01
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.railz.GemRailZ)
- **Website:** [https://sites.google.com/view/evanceiao](https://sites.google.com/view/evanceiao)
- **Privacy policy:** [https://sites.google.com/view/evanceiao](https://sites.google.com/view/evanceiao)

## Description

From above a crystal cavern, flip amethyst switches or numbered rock buttons as your cart auto-runs. Color gems pay differently; correct streaks build rail combos. Missed gems lose score, derails fail instantly, and emergency re-flips cost ten. Shorter decision windows and more forks heat the underground race.

## Rankings

- #3,279,304 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `com.railz.GemRailZ.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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