# Domino Puzzle #1 — Hollow Squares

> Hollow Squares (iPhone/iPad app by Ventura Educational Systems.)

- Source: https://appshunter.io/ios/app/domino-puzzle-1/id1034922146 (this page in markdown: same URL + `.md`)
- Developer: [Ventura Educational Systems](https://appshunter.io/developer/371324172)
- Category: Games, Education, Puzzle
- Price: $0.99
- Age rating: 4+
- Requires: iOS 12.0 · 17 MB
- Languages: American English
- Released: 2015-09-08
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/domino-puzzle-1/id1034922146/reviews.md

## What is Domino Puzzle #1?

Hollow Squares - Domino Puzzle #1 is the first in a series of challenging puzzles based on a standard set of dominoes. If you like sudoku or just math games in general you will enjoy Hollow Squares.

The challenge is to arrange all 28 dominoes in a standard set along the sides of two squares so that the sum along the sides are all the same.


## Version history (last 5 releases)

### 3.0 — 2024-03-14

This version provides an update to recommended settings.

### 2.1 — 2022-01-27

This update is provided as part of our on going process keep our apps current and compatible with the latest versions of iOS. This update was built using Xcode 13.2.1.

### 2.0 — 2018-12-16

This version is a standard maintenance update and supports the latest versions of iOS.

### 1.2 — 2015-11-21

This update provides support for iPad Pro.

### 1.1 — 2015-10-11

This update is for iOS 9 compatibility.

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## More apps by Ventura Educational Systems

- [Alphabet Animals](https://appshunter.io/ios/app/alphabet-animals/id371324169)
- [Colors & Shapes](https://appshunter.io/ios/app/colors-and-shapes/id375684455)
- [Numbers 123](https://appshunter.io/ios/app/numbers-123/id381591365)
- [Addition Facts](https://appshunter.io/ios/app/addition-facts/id385473597)
- [Fractions: The Whole Story](https://appshunter.io/ios/app/fractions-the-whole-story/id393882237)
- [Plexers](https://appshunter.io/ios/app/plexers/id411518808)

All apps by Ventura Educational Systems: https://appshunter.io/developer/371324172

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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 2026-05-17.*