# Cotrio — move your brain & imagination > A visually stunning number and color puzzle game with animated worlds and original soundtrack. (iPhone/iPad app by Bartosz Bialek.) - Source: https://appshunter.io/ios/app/cotrio/id1217055123 (this page in markdown: same URL + `.md`) - Developer: [Bartosz Bialek](https://appshunter.io/developer/1217055122) - Category: Games, Education, Family, Puzzle - Price: $0.99 - Rating: 4.40/5 from 25 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 90 MB - Languages: American English - Released: 2018-03-07 - Data updated: 2026-06-10 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/cotrio/id1217055123/reviews.md ## What is Cotrio? Feeling smart? Do you want more from your relax time? Cotrio is a visually stunning love letter to numbers and fuel that will fire up your imagination. Solve puzzles based on a unique concept. Combine numbers to fill nodes with colors and avoid equal numbers next to each other. Play with numbers, colors, and your own mind. Pause at any time and step into beautiful animated worlds. Uncover their stories with your touch and device sensors – all set to the soothing sounds of the original soundtrack. Artfully crafted with attention to every minute detail over the period of two years, Cotrio is a relaxing experience for smart people – make it your own! • Over 80 handcrafted puzzles • 30 poetic worlds to move your imagination • Meticulous design & minimal esthetics for a pleasant experience • Meditative, original soundtrack • Two gameplay modes – more casual or challenging • Photo mode – memorize your favorite moments • Night mode – play anytime • iPhone or iPad – play anywhere • One-handed play, no time limits, no pressure • No In-App Purchases or in-game currencies Accolades: • GIC 2017: Finalist • FreeGalaktus 2017: Finalist • Game Anglia 2017: Official Selection Art, code & music made with love by Bartosz Bialek. • Send your feedback to cotrio@bialek.xyz Stay in touch: • https://twitter.com/cotriogame • https://facebook.com/cotriogame ## Key features - Over 80 handcrafted puzzles - 30 poetic animated worlds - Meditative original soundtrack - Two gameplay modes - Photo mode - Night mode - One-handed play ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/cotrio/id1217055123/reviews.md ### 5/5 — Love the app *2018-04-27* This is a fantastic game. It is deceptively simple. It keeps you on your toes with simple addition and subtraction. The graphics are great! **Developer response:** Hi Bartek here, I'd love to help you play the game - please write at support email cotrio@bialek.xyz I'll have a look. I'm very sorry for your inconvegnence ### 5/5 — Excellent *2018-03-27* Easy to navigate! Super addicting! ### 5/5 — So addicting! *2018-03-27* This is my new favorite for sure! I love any kind of logic/word/numbers game and I can't stop playing this one. ### 5/5 — A challenging addiction! *2018-03-16* Beautifully designed, masterfully crafted, and a nightmare to beat! Prepare to lose sleep over heating this one! ### 1/5 — Does not work. *2018-03-12* Load screen appears for 20 seconds, then it crashes. Every single time. **Developer response:** Hi this is Bartek - developer of Cotrio I'm looking into Can you sand me a an email at cotrio@bialek.xyz so I could investigate your issue in-depth? ### 1/5 — Like the other guy did...crash *2018-03-12* Might be a great game, couldn't tell you since it won't even open, just freezes my iPad. **Developer response:** Hi this is Bartek - developer of Cotrio Could you contact at cotrio@bialek.xyz so I could investigate your issue in-depth? I'll do what's possible so you can enjoy Cotrio ### 2/5 — No sound *2018-03-10* Fun and challenging gameplay but I was looking forward to the soundtrack and it’s not playing at all, tried changing settings and restarting game **Developer response:** Hi there, Please write to me at support email cotrio@bialek.xyz I will try to help you solve this case. You can download Cotrio soundtrack via Cotrio social media account Best regards _BB ### 5/5 — Creative and Challenging *2018-03-07* I play a lot of games but have never played one quite like this. The rules are simple but the game gets deceptively difficult. Don’t worry if you don’t like math - this is just simple addition - but it gets your brain going. I am going to be playing this one a lot. ## Frequently asked questions about Cotrio ### What is Cotrio? Cotrio is a visually stunning puzzle game that combines numbers and colors. It features over 80 handcrafted puzzles and 30 poetic animated worlds to explore, all set to a meditative original soundtrack. ### Does Cotrio have ads? No, Cotrio does not contain advertisements. It is a premium experience designed for uninterrupted gameplay. ### How much does Cotrio cost? Cotrio is available for a one-time purchase of $0.99. There are no in-app purchases or in-game currencies. ### What devices does Cotrio support? Cotrio is designed for iPhone and iPad devices. It offers one-handed play and no time limits for a flexible experience. ### What are the gameplay modes in Cotrio? Cotrio offers two gameplay modes: one for a more casual experience and another that is more challenging. This allows players to tailor the difficulty to their preference. ### Is Cotrio suitable for all ages? Cotrio has an age rating of 4+, making it suitable for younger players and adults alike. The puzzles are designed to be engaging for a wide range of cognitive abilities. ### How often is Cotrio updated? The latest version of Cotrio is 1.06, last updated on August 24, 2022. While specific update frequency isn't detailed, the app has received updates since its release in 2018. ### What makes Cotrio unique? Cotrio stands out with its unique puzzle concept combining numbers and colors, its beautiful animated worlds, and its meticulously crafted design and meditative soundtrack, developed over two years. ## Version history (last 4 releases) ### 1.06 — 2022-08-24 - Updated game engine, performance improvements - UI fixed for certain screen aspect ratios ### 1.05 — 2018-04-20 This app has been updated by Apple to display the Apple Watch app icon. • Reset level in-game via "?" menu • Glorious 60fps by default • Battery save mode available in the menu • Big game engine update, big performance boost ### 1.01 — 2018-03-08 A wild bug appeared when you could get stuck with 0 moves after restart - we asked error to disappear and it should bother you no more - excuse us for any inconvenience! ### 1.0 — 2018-02-12 No release notes. ## Apps similar to Cotrio | App | Rating | Price | Category | | --- | --- | --- | --- | | [No More Buttons](https://appshunter.io/ios/app/no-more-buttons/id1303240714) | 4.6 (5) | $1.99 | Games | | [Hex Puzzle](https://appshunter.io/ios/app/hex-puzzle/id1022748189) | 5.0 (1) | Free | Games | | [Diamond Blocks - Puzzles](https://appshunter.io/ios/app/diamond-blocks-puzzles/id1456267542) | 4.8 (5) | Free | Games | | [P=NP](https://appshunter.io/ios/app/pnp/id1437987800) | 5.0 (3) | Free | Games | | [Marbles Ricochet](https://appshunter.io/ios/app/marbles-ricochet/id1590741439) | 5.0 (1) | Free | Games | | [Trains Puzzle - Railroads Game](https://appshunter.io/ios/app/trains-puzzle-railroads-game/id6748875415) | — | $1.99 | Games | --- *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.*