# tk88

> Thử thách 88 is a fast Vietnamese number puzzle.

Canonical page: [https://chrome-stats.com/d/com.tk88.challengegame](https://chrome-stats.com/d/com.tk88.challengegame)

## Overview

- **ID:** `com.tk88.challengegame`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** TOP BRASS LLC
- **Category:** GAME\_PUZZLE
- **Downloads:** 505
- **Version:** 1.0
- **Last updated:** 2026-07-06
- **First published:** 2026-07-06
- **Publisher country:** UA
- **Size:** 15 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tk88.challengegame)
- **Privacy policy:** [https://sites.google.com/view/tk88-8](https://sites.google.com/view/tk88-8)

## Description

Thử thách 88 is a fast Vietnamese number puzzle set against a cool blue and silver Hanoi skyline at night. A board fills with scattered numbers, and your task is to find and tap every pair that adds up to exactly 88, such as 40 and 48 or 22 and 66. Each board mixes real pairs with a few decoy numbers that never complete a sum, so you have to read the whole grid quickly and think in complements. You race a sixty-second clock, and clearing all the pairs before time expires completes the level and rewards a time bonus. Every new level adds more numbers to the board while trimming the clock, turning a relaxed search into a sharp mental sprint. A hint can highlight one valid pair when you are stuck, and hints or extra seconds can be bought in the shop with the coins you earn. The timer flashes a warning colour as the seconds drain to keep the pressure real. A local leaderboard records your best scores on the device with no account required. The whole interface is Vietnamese, the grid reflows without overflow on both small and large screens, and custom Google Fonts give it a modern night-city feel. Thử thách 88 is a skill-based mental arcade challenge, not a real-money game

## Rankings

- #1,373,580 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `com.android.vending.CHECK_LICENSE`
- `com.tk88.challengegame.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tk88.challengegame)