# Codex Numbers — Educational math game > Logic puzzle game to guess secret codes against AI or other players. (iPhone/iPad app by Alaattin Bedir.) - Source: https://appshunter.io/ios/app/codex-numbers/id1050426926 (this page in markdown: same URL + `.md`) - Developer: [Alaattin Bedir](https://appshunter.io/developer/924813905) - Category: Games, Education, Puzzle, Trivia - Price: Free with in-app purchases - Rating: 1.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 132 MB - Languages: American English - Released: 2017-04-02 - Data updated: 2026-08-14 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/codex-numbers/id1050426926/reviews.md ## What is Codex Numbers? If you are a fan of logic games, this is the right one for you which is a very addictive game you can play for hours. Today, challenge yourself, artificial intelligence, friends, and the world with this iOS top game app! You should try this game to improve your intelligence which is easy to learn. GOAL OF THE GAME Before your opponent finds your secret code you should find his/her secret code in minimum steps. RULES There are 2 simple rules of the game 1. GREEN color means that digit exist and its place is correct. 2. RED color means that digit exist but its place is incorrect. TRAINING You can determine your strength in training mode. The average number of guesses that you find computer's secret code determines your game power. As an example, if you find the secret code in 5 guesses in the first game and next you find the secret code in 6 guesses, then your game power will be 5.500 after two games. Your game power is sent to Game Center in training mode obtained after completion of 10 games. Your game power ranking will be updated as the best game power. Reaching success within 5 steps in Training mode will be listed in the Masters Club. Whenever you want, you can reset your training mode from the game settings. ARTIFICIAL INTELLIGENCE There are eight artificial intelligence players which are ranked from easy to difficult. You can play with the AI player of any level. You can also earn stars from AI players according to theirs level. For example You can earn 10 stars from Master for each win and 5 stars for each draw. ONLINE GAMES You can play the game by inviting your friends to Game Center. With Play Now option you can play with randomly selected opponents who are currently active. When you lose the connection or the opponent quits, you can continue to play with Artifical Intelligence player Master from where you left. At the end of the game the system gives rematching option with your opponent. If your opponent accepts the invitation then a new match starts. Thus you can play as many games as you want with the same opponent. You can earn points only through online game. In the three-digit game mode you may earn 3 points for each win and 1 point for each draw. But in the four-digit game mode you may earn 5 points for each win and 2 points for each draw. Your score will be updated in real time on Game Center score boards. There are some timing restrictions on online games. The limit for three-digits game is 5 minutes, and 7 minutes for four-digit game. The game is lost when time is up. Online games can be played when you have enough credits. In Shopping menu, you can earn 5 credits with the rewarded videos. If you want to play games without interruption and ads you can buy advantageous online game packages. ## Key features - Secret code guessing gameplay - Single-player AI challenges - Online multiplayer with friends - Training mode for skill improvement - Game Center integration - Scoring and leaderboards - Timed online matches ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | No Ads (Remove all ads) | $1.99 | one-time | | Small Online Game Packet (1000 Games) | $0.99 | one-time | | Middle Online Game Package (3000 Games) | $1.99 | one-time | | Big Online Game Package (5000 Games) | $2.99 | one-time | ## Frequently asked questions about Codex Numbers ### What is Codex Numbers? Codex Numbers is an educational math and logic game where players try to guess their opponent's secret code in the fewest steps. It features single-player AI modes and online multiplayer against friends or random opponents. ### How do I play Codex Numbers? The goal is to guess your opponent's secret code. Green indicates a correct digit in the correct place, while red indicates a correct digit in the wrong place. You can practice in training mode or play against AI and other players. ### Does Codex Numbers have ads? Yes, Codex Numbers contains advertisements. Players can purchase advantageous online game packages to play without interruptions and ads. ### What devices does Codex Numbers support? Codex Numbers is available for iPhone, iPad, and iPod. It is designed for iOS devices. ### Is Codex Numbers free to play? Yes, Codex Numbers is free to download and play. It offers in-app purchases for game credits and ad-free packages. ### How often is Codex Numbers updated? The latest version of Codex Numbers is 1.6.0, last updated on January 16, 2026. Updates typically bring new features, bug fixes, and performance improvements. ### What is the age rating for Codex Numbers? Codex Numbers has an age rating of 4+, making it suitable for young players and families. The game's mechanics are easy to learn but offer strategic depth. ### Can I play Codex Numbers offline? While online multiplayer requires an internet connection, you can play against the Artificial Intelligence players in single-player modes, which can be done offline. ## Version history (last 5 releases) ### 1.7.14 — 2026-08-11 Some bugs have been fixed ### 1.7.12 — 2026-08-09 Improved ad infrastructure (reliability and privacy). The dice hint button now remembers its suggested number. ### 1.6.0 — 2026-01-16 Codex Numbers is now available! ### 1.5.9 — 2024-07-06 New Mastermind Numbers have been released! ### 1.4.0 — 2024-05-12 Mastermind numbers with new UI design released! ## Apps similar to Codex Numbers | App | Rating | Price | Category | | --- | --- | --- | --- | | [DareMe: Truth or Dare Party](https://appshunter.io/ios/app/dareme-truth-or-dare-party/id6758426304) | — | Free | Games | | [Oeleh – question game](https://appshunter.io/ios/app/oeleh-question-game/id6742040786) | 1.0 (1) | Free | Games | | [Flag Quiz: world flags game](https://appshunter.io/ios/app/flag-quiz-world-flags-game/id1585548760) | 4.4 (20) | Free | Games | | [Waiter Simulator 3D](https://appshunter.io/ios/app/waiter-simulator-3d/id1607844312) | 3.5 (2) | Free | Games | | [Block Codex](https://appshunter.io/ios/app/block-codex/id6757725479) | 5.0 (2) | Free | Games | | [DigitSort](https://appshunter.io/ios/app/digitsort/id1551353829) | — | Free | Games | ## More apps by Alaattin Bedir - [Bulls & Cows: IQ Game](https://appshunter.io/ios/app/bulls-and-cows-iq-game/id1000344141) - [Mercury Boy: Joyride in Space](https://appshunter.io/ios/app/mercury-boy-joyride-in-space/id1221911332) - [Clear Vision Test](https://appshunter.io/ios/app/clear-vision-test/id6746760296) - [Stepster – AI Wellness Coach](https://appshunter.io/ios/app/stepster-ai-wellness-coach/id6747364607) - [Kaptirik](https://appshunter.io/ios/app/kaptirik/id6747457191) All apps by Alaattin Bedir: https://appshunter.io/developer/924813905 --- *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 2026-08-14.*