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Last updated on: 2026-06-03
Android Apps > Puzzle > Euclidea
Euclidea icon

Euclidea

4.58
HORIS INTERNATIONAL LIMITED
4.66
84,882 reviews
1,000,000+
Downloads
Free

Euclidea: Geometric Construction Puzzles

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About Euclidea

Euclidea is a puzzle app developed by HORIS INTERNATIONAL LIMITED.

Download Statistics

Euclidea has been downloaded 3.8 million times. In the last 30 days, the app was downloaded 8.7 thousand times.

User Ratings

Euclidea is rated 4.66 out of 5 stars. The rating is based on 85 thousand ratings.

App Information

Euclidea is FREE to download. The APK download size is 84.32 MB. The latest version available is 4.58. The last update was on August 8, 2025.

Technical Requirements

Euclidea requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play April 2016.

Description
Euclidea is a FUN & CHALLENGING Way to Create Euclidian Constructions!

127 Levels: from very easy to really hard
10 Innovative Tools
"Explore" Mode and Hints
Easily Drag, Zoom & Pan


New levels are unlocked as you solve the previous ones. You can complete the whole game only if you earn all the stars. But you can buy an IAP that removes this restriction.

“Euclidea has been shown to help with imagination, intuition, and logic, all wonderful skills to develop.” – appPicker

“Euclidea is an absolute joy to play…it’s a game that every math student should have and, in an ideal world, every adult should like.” – Non-Trivial Games

***About Euclidea***
Euclidea is a brilliantly original way to learn about, explore and have fun with Euclidian Constructions! Your task is to solve interesting challenges by building geometric constructions with a straightedge and compass. If you design the most elegantly simple solutions in the least number of moves, you’ll earn the highest scores. Solutions are scored in lines (L) and elementary Euclidean constructions (E).

***Start Simple and Get Smarter!***
Don’t worry if you aren’t a math wizard. Euclidea starts out with simple challenges that guide you through the basics. Once you master the fundamentals, you’ll move on to tougher, more mind-bending challenges such as inner/outer tangents, regular polygons, and more. There are 120 unique challenges in total, which are organized in packs for simpler navigation.

***Add Constructions to Your Interface***
When you learn certain significant constructions – such as angle bisectors, non-collapsing compass, and so on – they are automatically added to the Euclidea interface’s shortcut, which helps you save time and allows you to create clean, uncluttered drawings.

***Easily Drag, Pan & Zoom***
Euclidea-created constructions are completely dynamic. As such, you can drag to adjust angles, lines, radii and so on. You can also easily zoom and pan. This not only makes the experience more interactive, but it allows you to more deeply grasp the relationships between geometric elements, explore various possibilities, and analyze errors.

***Instant, Automatic Precision***
Don’t worry about spending time or effort trying to achieve perfect precision, because Euclidea automatically handles that task by pinning points, lines and circles to the app’s clean interface.

***Additional Special Features***
> A helpful “Explore” mode that allows you to see the figure you need to construct
> An inventory of tools that you create as you progress – you’ll need these to solve future challenges
> Some challenges can be solved in more than one way, which means you can try a different approach and have even more fun

***Questions? Comments?
Send in your inquiries and stay up-to-date on the latest Euclidea news at https://www.euclidea.xyz/

Recent changes:
Fixed account management.
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More data about Euclidea

Price Free to download
Total downloads 3.8 million
Recent downloads 8.7 thousand
Rating 4.66 based on 85 thousand ratings
Ranking Not ranked
Version 4.58
APK size 84.3 MB
Number of libraries 23
Designed for Android 4.4+
Suitable for Everyone
Ads NO ads

App Performance Report

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Google Play Rating history and histogram

70K
7.5K
2.5K
1.7K
2.8K

Downloads over time

Euclidea has been downloaded 3.8 million times. Over the past 30 days, it averaged 290 downloads per day.

Changelog of Euclidea

  • Aug 8, 2025UpdateVersion 4.58
  • Sep 29, 2020UpdateVersion 4.43
  • Sep 3, 2020UpdateVersion 4.42
  • Jan 24, 2020UpdateVersion 4.40
  • Jan 13, 2020UpdateVersion 4.39
  • Sep 2, 2019UpdateVersion 4.38
  • Mar 6, 2019UpdateVersion 4.33
  • Dec 10, 2018UpdateVersion 4.29
  • Aug 17, 2018UpdateVersion 4.25
  • Aug 13, 2018UpdateVersion 4.24
  • Aug 2, 2018UpdateVersion 4.23
  • Jun 19, 2018UpdateVersion 4.17
  • Mar 29, 2018UpdateVersion 4.13
  • Mar 22, 2018UpdateVersion 4.12
  • Feb 14, 2018UpdateVersion 4.08
  • Feb 9, 2018UpdateVersion 4.06
  • Nov 20, 2017UpdateVersion 3.50
  • Aug 25, 2017UpdateVersion 3.43
  • Apr 26, 2017Installs1,000,000+ installs
  • Mar 23, 2017UpdateVersion 3.36
  • Mar 20, 2017UpdateVersion 3.35
  • Mar 15, 2017UpdateVersion 3.33
  • Jan 18, 2017UpdateVersion 3.30
  • Nov 17, 2016Installs500,000+ installs
  • Sep 13, 2016Installs100,000+ installs
  • Sep 8, 2016Installs50,000+ installs
  • Sep 2, 2016UpdateVersion 3.19
  • Aug 24, 2016Installs10,000+ installs
  • Jul 27, 2016Installs5,000+ installs
  • Jul 19, 2016UpdateVersion 3.14
  • Jun 3, 2016Installs1,000+ installs
  • Jun 3, 2016UpdateVersion 3.11
  • May 21, 2016UpdateVersion 3.09
  • May 16, 2016Installs500+ installs
  • Apr 24, 2016Installs100+ installs
  • Apr 23, 2016Installs50+ installs
  • Apr 23, 2016UpdateVersion 3.03
  • Apr 19, 2016New AppVersion 3.0 in PUZZLE for Free
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Developer information for HORIS INTERNATIONAL LIMITED

HORIS INTERNATIONAL LIMITED

support@euclidea.xyz

Website

N/A

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Comments on Euclidea for Android

★★★★★ Robin Cawthorne · Jan 9, 2026
I don't know what I'm doing 😅 and that's why I'm here! To learn. The interface is intuitively laid out and the descriptions are descriptive enough for things to make good sense. Thank you! A great learning aid/game.
★★★★★ meral issa · Jan 20, 2026
A really fun and challenging way to learn math and geometry
★★★★☆ Yoshi Shen · Jan 21, 2026
This is a 2d geometry puzzle solving puzzle.
★★★★★ Mark L · Apr 10, 2026
What a wonderful gem of a game. May not be for everyone, but it's a wonderful way to learn/refresh geometry skills. It also puts to test your problem-solving skills.
★★☆☆☆ Bumi · Mar 25, 2026
It's fun and challenging but on level 2.8 (tangent to circle at point), the E star is impossible to get. Constructing it requires at least 4 step when using straightedge and compass, not 3. I believe there's miscount of the required move on several other levels, but this one is the easiest to spot.
★☆☆☆☆ Dean R · Jan 27, 2026
I don't get it. I completed the first puzzle following the guides (3 stars). No guides in the second puzzle, so I copied the first puzzle's guides to draw a 60° angle. No award, no completion, zero stars. What's the point?

Google Play Rankings for Euclidea

This app is not ranked

Technologies used by Euclidea

Euclidea is requesting 9 permissions and is using 24 libraries.

Permissions

Network communication
view network connections, full network access, Google Play billing service
Extra
android.permission.ACCESS_ADSERVICES_AD_ID, android.permission.ACCESS_ADSERVICES_ATTRIBUTION, android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE, android.permission.ACCESS_ADSERVICES_TOPICS, android.permission.FOREGROUND_SERVICE, com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE

Ad network libraries

None found

Social libraries

Facebook Android Library IconFacebook

Development tools

Android Jetpack core Android Library IconAndroid Jetpack core Android Architecture Components Android Library IconAndroid Architecture Components Android Jetpack VersionedParcelable Android Library IconAndroid Jetpack VersionedParcelable Firebase Android Library IconFirebase Android Jetpack Annotations Android Library IconAndroid Jetpack Annotations Android Jetpack Widgets Android Library IconAndroid Jetpack Widgets Android Jetpack AppCompat Android Library IconAndroid Jetpack AppCompat AndroidX Loader Android Library IconAndroidX Loader Android Jetpack Media Android Library IconAndroid Jetpack Media Android Transition Support Library Android Library IconAndroid Transition Support Library AndroidX Legacy: Support Library core utils Android Library IconAndroidX Legacy: Support Library core utils AndroidX Legacy: Support Library core UI Android Library IconAndroidX Legacy: Support Library core UI Okio Android Library IconOkio AndroidX Multi-Dex Library Android Library IconAndroidX Multi-Dex Library Google ZXing Android Library IconGoogle ZXing BoltsFramework Android Library IconBoltsFramework Dagger Android Library IconDagger okHttp Android Library IconokHttp ReLinker Android Library IconReLinker Realm Android Library IconRealm Android Asynchronous Http Client Android Library IconAndroid Asynchronous Http Client HttpClient for Android Android Library IconHttpClient for Android
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