# Cool Math Games - Qubd — Math and optical illusion game

> Minimalist math and observation puzzle game to train cognitive function. (iPhone/iPad app by Steven Koutsouliotas.)

- Source: https://appshunter.io/ios/app/cool-math-games-qubd/id6443742537 (this page in markdown: same URL + `.md`)
- Developer: [Steven Koutsouliotas](https://appshunter.io/developer/769936676)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free with in-app purchases (on sale, was $1.99)
- Age rating: 4+
- Requires: iOS 11.0 · 68 MB
- Languages: English
- Released: 2022-10-17
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/cool-math-games-qubd/id6443742537/reviews.md

## What is Cool Math Games?

Looking for Cool Math Games?Test your math, addition, subtraction, multiplication and observational skills in this deceivingly challenging, fun and minimalist brain teaser game of guessing how many Cube bricks are missing from the 5 Cubed volume.
A fun way to train and improve your cognitive function. 
Sharpen your mind and give your brain a workout while completing ever challenging levels.

Suitable for all ages.

## Key features

- Math skill testing
- Observational skill testing
- Minimalist brain teaser
- Cognitive function training
- Challenging levels
- Suitable for all ages

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cool-math-games-qubd/id6443742537/reviews.md

### 5/5 — Qubd is Awesome!

*2022-10-21*

Super fun and engaging game that requires you to really think. Super simple yet so effective! Highly recommend it 😊

## Frequently asked questions about Cool Math Games

### What is Cool Math Games about?

Cool Math Games is a minimalist brain teaser that tests your math and observational skills by having you guess the number of missing cube bricks in a 5-cubed volume. It's designed to train cognitive function and sharpen your mind.

### What kind of math skills does Cool Math Games test?

Cool Math Games tests basic math skills including addition, subtraction, and multiplication, within the context of a visual puzzle.

### Is Cool Math Games suitable for children?

Yes, Cool Math Games is suitable for all ages, with an age rating of 4+, making it appropriate for younger players to develop early cognitive skills.

### Does Cool Math Games have ads?

No, Cool Math Games does not contain advertisements, offering an uninterrupted gaming experience.

### What devices can I play Cool Math Games on?

Cool Math Games is available on iPhone, iPad, and iPod, providing a versatile gaming experience across Apple devices.

### How often is Cool Math Games updated?

The latest version, 1.1.0, was released on 2025-06-17, indicating recent development and potential for future updates.

### Can I play Cool Math Games offline?

The provided data does not specify offline play capabilities for Cool Math Games. It is recommended to check the app store listing for details on offline functionality.

### Does Cool Math Games offer multiplayer modes?

The description for Cool Math Games focuses on a single-player brain teaser experience. There is no mention of multiplayer modes in the provided information.

## Version history (last 5 releases)

### 1.1.0 — 2025-06-17

Updated Meta Data.

### 1.0.9 — 2024-08-10

- New Cube Inspection controls allows player to rotate the cube in all directions.
- Audio improvements.
- Added ads, banner ads, reward ads, and IAP to remove ads.
- UI updates to match the new design.
- Sound FX improvements.

### 1.0.8 — 2022-11-04

Tutorial GUI improvements.
Fixed bug with tutorial pressing too many buttons.
Fixedbug that resets strikes.
Fixed bug that allowed to skip levels.

### 1.0.7 — 2022-11-03

Fixed bug that allowed to skip levels.

### 1.0.6 — 2022-10-25

Changed cube generation code to increase difficulty.
Improved drag sound.

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## More apps by Steven Koutsouliotas

- [Seul.(Alone) The entrée - CYOA](https://appshunter.io/ios/app/seulalone-the-entree-cyoa/id1348548269)
- [Seul (Alone): The day before](https://appshunter.io/ios/app/seul-alone-the-day-before/id1357105177)
- [Sleepy Walker - Shaky Heights](https://appshunter.io/ios/app/sleepy-walker-shaky-heights/id1491796491)

All apps by Steven Koutsouliotas: https://appshunter.io/developer/769936676

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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 2026-06-01.*