# Fill Squares - Logic Game — Challenging game for brain

> Connect-the-block logic puzzle game requiring a single line to fill all squares. (iPhone/iPad app by Karen Karapetyan.)

- Source: https://appshunter.io/ios/app/fill-squares-logic-game/id1409150739 (this page in markdown: same URL + `.md`)
- Developer: [Karen Karapetyan](https://appshunter.io/developer/1092956865)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.60/5 from 123 App Store ratings · 51 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 31 MB
- Languages: American English
- Released: 2018-08-09
- Data updated: 2026-09-08
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/fill-squares-logic-game/id1409150739/reviews.md

## What is Fill Squares?

Sharpen your mind with a connect the block style puzzle game.
A simple but addictive one-line puzzle game that’s completely free to play.

Your brain becomes more active the more you play.
During your commute, before you sleep… enjoy downtime with brain training.

The rules are extremely simple.
Just fill in all of the blocks using only one line.

Don’t get too cozy—the puzzles get harder as you go along.

One-line puzzles are mathematical problems with origins in the early 18th century.
Mathematical thinking is said to increase work efficiency and prevent aging.
Whether math is your bane or your forte, be sure to give this game a try.
You’re sure to get hooked on these puzzles!

## Key features

- Connect the block puzzle
- Single line filling
- Increasing difficulty
- Brain training
- Mathematical puzzles
- Addictive gameplay

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Expert Level | Free | one-time |
| Professional Level | Free | one-time |
| Master Level | $0.99 | one-time |
| 10 Hints | $0.99 | one-time |
| 55 hints | $3.99 | one-time |
| 110 Hints | $7.99 | one-time |


## What do users think of Fill Squares?

Overall sentiment: positive

**Pros**

- 👍 Very fun and entertaining
- 💡 Challenging and makes you think
- 🚀 Good for passing time
- 😊 Addictive and engaging
- 👍 Many levels available
- 😊 Great for meditation/calming
- 👍 Good for brain exercise
- 😊 Can be played with friends
- 👍 Free to play
- 😊 Amazing game

**Cons**

- 🔄 Repetitive levels
- ⚠️ Many ads
- 🐢 Small lag
- 🤔 Annoying to find nickname

**Commonly reported bugs**

- Small lag

**Most requested features**

- Make updates to avoid repetition
- Less ads

## Recent user reviews (10 of 51)

All indexed reviews: https://appshunter.io/ios/app/fill-squares-logic-game/id1409150739/reviews.md

### 5/5 — Entertaining

*2026-05-31*

Repetition makes muscle memory, u look quick and react on the spot

### 5/5 — Fill Squares

*2025-09-19*

Very fun game! A lot of levels.

### 5/5 — Really nice!!

*2024-10-02*

This is an interesting game!!

### 5/5 — Игра

*2024-04-30, version 2.3*

Хорош й

### 5/5 — Fun

*2024-04-10, version 2.3*

It is so fun

### 5/5 — Good game

*2024-03-01, version 2.3*

Good game

### 5/5 — Хорошо

*2024-02-26, version 2.3*

Прикольная игра

### 5/5 — Great game

*2023-11-15*

This game was amazing

### 5/5 — Addictive

*2023-10-03*

So far so good

### 5/5 — Успокаивает

*2023-09-18, version 2.3*

Милая игра для медитации

## Frequently asked questions about Fill Squares

### What is Fill Squares - Logic Game?

Fill Squares - Logic Game is a connect-the-block style puzzle game where the objective is to fill all the blocks using only a single line. It's designed to be a challenging yet simple brain training experience.

### How do I play Fill Squares - Logic Game?

The rules are straightforward: you must fill in all the blocks on the screen using only one continuous line. The puzzles start simple but become progressively harder as you advance through the game.

### Is Fill Squares - Logic Game free to play?

Yes, the game is completely free to play. However, it does offer in-app purchases, which may provide additional content or features.

### What are the benefits of playing this game?

Playing this game is said to sharpen your mind and make your brain more active. The puzzles are rooted in mathematical problems, and engaging with them can potentially increase work efficiency and prevent aging.

### Who is this game suitable for?

This game is suitable for anyone looking for a mental challenge, whether during a commute, before sleep, or any downtime. It's particularly appealing to those who enjoy logic puzzles, mathematical thinking, or brain training activities.

## Version history (last 5 releases)

### 2.3 — 2019-03-02

- Bug fixes and performance improvements

### 2.2 — 2019-01-02

Thank you for always Playing Fill Squares game.
We have prepared the following update.

* Improve performance
* Minor modification

### 2.1 — 2018-08-20

Thank you for always Playing Fill Squares game.
We have prepared the following update.

* Improve performance
* Minor modification

### 2.0 — 2018-08-14

- Bug Fixes and Performance Improvements

### 1.9 — 2018-08-07

- Bug Fixes and Performance Improvements

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## More apps by Karen Karapetyan

- [Horoscope - Discover Future](https://appshunter.io/ios/app/horoscope-discover-future/id1128229741)
- [Widgets-Pro](https://appshunter.io/ios/app/widgets-pro/id1165849381)
- [Panda - Stickers for iMessage.](https://appshunter.io/ios/app/panda-stickers-for-imessage/id1207921508)
- [Memes - Stickers](https://appshunter.io/ios/app/memes-stickers/id1209745344)
- [Love-Stickers.](https://appshunter.io/ios/app/love-stickers/id1209747140)
- [Animal-Stickers](https://appshunter.io/ios/app/animal-stickers/id1212021033)

All apps by Karen Karapetyan: https://appshunter.io/developer/1092956865

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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 2026-09-08.*