# Index Unknown: Logic Puzzles

> 50 unique puzzles where discovering the rules is part of the solution.

Canonical page: [https://chrome-stats.com/d/com.sittu.indexunknown](https://chrome-stats.com/d/com.sittu.indexunknown)

## Overview

- **ID:** `com.sittu.indexunknown`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Sittu
- **Category:** GAME\_PUZZLE
- **Downloads:** 3
- **Version:** 1.0.2
- **Last updated:** 2026-08-24
- **First published:** 2026-08-14
- **Publisher country:** CA
- **Size:** 80 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.sittu.indexunknown)
- **Privacy policy:** [https://index-unknown.pages.dev/privacy](https://index-unknown.pages.dev/privacy)

## Description

Venture into the unknown. Uncover the logic behind every puzzle.<br>• 50 individually designed puzzles<br>• Four difficulty collections with a steep rise in complexity<br>• Logic, spatial, visual, word, mathematical, and discovery-based challenges<br>• Little to no instructions<br>• No ads or time limits<br>• Playable offline<br><br>The first three collections contain 30 puzzles, ranging from approachable experiments to demanding multi-step challenges.<br>An optional in-app expansion pack unlocks the &quot;Very Hard&quot; collection consisting of 20 puzzles created for experienced solvers. This is not simply another step up. Its deepest challenges may take hours, days, or even longer to unravel.<br><br>Look closely. Test your assumptions. Find the rule that was there all along.

## Rankings

- #3,041,557 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.sittu.indexunknown.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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