# Bi Bu — Tap the lights

> Tap lights to solve puzzles by toggling surrounding lights. (iPhone/iPad app by Goblin Software Limited.)

- Source: https://appshunter.io/ios/app/bi-bu/id931460670 (this page in markdown: same URL + `.md`)
- Developer: [Goblin Software Limited](https://appshunter.io/developer/1507587280)
- Category: Games, Entertainment, Puzzle
- Price: Free with in-app purchases
- Rating: 4.50/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 85 MB
- Languages: American English
- Released: 2014-11-08
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/bi-bu/id931460670/reviews.md

## What is Bi Bu?

Bibu - Tap the lights and turn all the lights to ON!!

When you tap a light, the lights surrounding it will toggle. Try to turn all the lights to ON and solve the puzzle as quick as you can!

## Key features

- Tap lights to toggle
- Solve light puzzles
- Turn all lights ON
- Timed challenges
- Intuitive gameplay

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 100 Credits | $0.99 | one-time |
| 1000 Credits | $0.99 | one-time |
| 8bit | $3.99 | one-time |
| Notebook | $3.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/bi-bu/id931460670/reviews.md

### 4/5 — Red light

*2016-10-13, version 2.1.42*

Are you fast? Sure? This game is for all faster, change in the red light id very hard!

### 5/5 — Ok

*2016-10-12, version 2.1.42*

Ok

## Frequently asked questions about Bi Bu

### What is Bi Bu?

Bi Bu is a puzzle game where you tap lights. Tapping a light toggles its surrounding lights, and your goal is to turn all lights on.

### How do you play Bi Bu?

You play Bi Bu by tapping on the lights. Each tap affects the light you tap and its adjacent lights, toggling them on or off.

### What is the objective of Bi Bu?

The main objective in Bi Bu is to solve the puzzle by turning all the lights to the ON state as quickly as possible.

### Is Bi Bu free to play?

Yes, Bi Bu is available for free on supported devices.

### What devices can I play Bi Bu on?

Bi Bu is available on iPhone and iPad devices.

### What is the age rating for Bi Bu?

Bi Bu has an age rating of 4+, making it suitable for younger players.

### When was Bi Bu last updated?

The latest version of Bi Bu was released on November 9, 2020.

### What do users think of Bi Bu?

Bi Bu has a high rating of 4.5 stars from 2 user ratings, indicating positive user sentiment.

## Version history (last 5 releases)

### 3.1 — 2020-11-09

Link to new backend of the game

### 3.0 — 2020-08-14

Changes:

    Added theme functionality and themes for sale
    removed credits
    Update game-specific backend functionality

### 2.5 — 2020-05-24

1. Major change in Ad showing calculation
2. Update to fit with iOS 13

### 2.4 — 2017-04-01

- Multi-language Support (English, Japanese, Simplified Chinese, Traditional Chinese)
- Purchase of Credits changed 100 to 1000 with same price

### 2.3.60 — 2016-10-16

- Performance fix
- Make In-App Purchase more stable

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## More apps by Goblin Software Limited

- [Ball Shooters](https://appshunter.io/ios/app/ball-shooters/id1412428439)
- [No Crash Rally 8bit](https://appshunter.io/ios/app/no-crash-rally-8bit/id1604436908)

All apps by Goblin Software Limited: https://appshunter.io/developer/1507587280

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*