# Code Breaker: Logic Puzzle > Crack the code! Retro offline logic puzzles code-breaking. Train your mind. 🧩 Canonical page: [https://chrome-stats.com/d/rc4812.android.logicthinkercode](https://chrome-stats.com/d/rc4812.android.logicthinkercode) ## Overview - **ID:** `rc4812.android.logicthinkercode` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** RC4812 - **Category:** GAME\_BOARD - **Downloads:** 3,015 - **Rating:** 4.50 / 5 (7 ratings) - **Version:** 17.3 - **Last updated:** 2026-06-11 - **First published:** 2021-12-01 - **Publisher country:** ES - **Size:** 15 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=rc4812.android.logicthinkercode) - **Website:** [https://rc4812apps.blogspot.com/](https://rc4812apps.blogspot.com/) - **Privacy policy:** [https://rc4812apps.blogspot.com/p/privacy-policy.html](https://rc4812apps.blogspot.com/p/privacy-policy.html) ## Description Code Breaker : Logic Puzzle, LogicThinker, it is a traditional, Mastermind-style logic game , ingenuity and reflection, which consists of guessing a secret code made up of a sequence of pegs.

If you are a fan of the classic Mastermind board game , you will love this modern challenge. It is the ultimate Code-breaking game designed for those who enjoy a true mental workout and brain training.

This classic challenge is also widely known by many names such as:
• Mastermind. Logic puzzles. Retro experience.
• Master mind. Deduction and strategy games.
• Code breaker game.
• Codebreaker. Classic board games.
• Code-breaking. Brain training apps.
• Bulls and Cows. Traditional pen and paper game.
• Brain master. Logic puzzles offline.
• Secret Code Game. Brain teasers.
• Mind Master. Intellectual challenge.
• Cows and Bulls. Sequence puzzle game.
• Code Cracker. Decipher the pattern.
• Guess the Code. Strategic deduction match.
• Hidden Code. Memory and logic test.

Code Maker
• The app generates the secret code automatically.

Code Cracker
• The player must guess the secret code.

Game Modes
◉ CLASSIC: The traditional game mode, much more difficult. Clue positions do not correspond to peg positions. You must guess which peg each clue refers to; therefore, clue positions are random.
◉ INITIATION: Clue positions match peg positions. The clue for the first position corresponds to the peg in the first position, and so on.

Game Types
● Mini 4: 4-peg secret code.
● Super 5: 5-peg secret code.
● Mega 6: 6-peg secret code.
● Giant 7: 7-peg secret code.
● Colossus 8: 8-peg secret code.
● Titan 9: 9-peg secret code.

Layout (left to right)
• Top Row: Settings access, shield action buttons, red shield hiding the secret code.
• Column 1: Records.
• Column 2: Numerical sequence establishing the order of play.
• Column 3: Clues.
• Column 4: Game board.
• Column 5: Pegs in play.

How to play?
• Pegs must be placed in the desired position of the active row.
• Rows are filled consecutively from first to last. Order cannot be changed. When a row is full, it locks and moves to the next row.
• Once the active row is completed, clues appear.
• If you open the shield to see the code before finishing, you can continue playing but the game won't count for records.
• The game ends when the code is guessed or the last row is filled.
• Auto save and load.

Movement types
• Drag and drop.
• Tap the desired color, then tap the target position.

What do clues indicate?
● Black: A correct peg is in the correct position.
● White: A correct peg is in the wrong position.
● Empty: The peg does not exist in the secret code.

Active Row (highlighted)
• Remove a Peg: Drag and drop it outside the row.
• Move a Peg: Drag and drop it to the desired position.
• Place Pegs: Select from the side column or any row containing pegs.

Fix a peg
• Long press a peg in the active row to place it in the same position in all rows above. Long press again to remove the fixed column.

Records
• The first column marks the lowest row achieved for solving the game.
• Different records exist for each combination of game type, level, and options.
• Records can only be cleared at the start of a game, before the first row is completed.
• To clear a record, drag the mark out of its position.

Options
• Play with numbers, colors, letters, geometric shapes, animals, or emoticons
• Autocomplete (Initiation): If a peg is correct, it appears automatically in the next row
• Auto-check: Combination is verified automatically when a row is full. If disabled, a manual button appears
• Repeated colors: The secret code may contain duplicates
• Extra color: Increases the difficulty
• Zoom: The active row appears enlarged. Press the number and drag to move
• Sound and Flash: Visual and auditory feedback. Shield lights up when selecting a color
• FX Pegs: Peg animations ## Rankings - #840,484 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `rc4812.android.logicthinkercode.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Code Breaker: 1v1 Logic Puzzle](https://chrome-stats.com/d/rc4812.android.classicmasterthinker) — 407 users - [Code Logic Master Challenge](https://chrome-stats.com/d/com.sitesculptors.codelogic) — 9 users - [Code Master](https://chrome-stats.com/d/com.cipherminds.app) — 78 users - [Code Breaker](https://chrome-stats.com/d/com.altancorp.codebreaker) — 298 users - [Crack the Code](https://chrome-stats.com/d/com.bolo.bulls_and_cows) — 1,960 users - [Code Breaker : Logic Puzzle](https://chrome-stats.com/d/com.app.mastermind) — 4,617 users, 2.20 / 5 - [Mastermind](https://chrome-stats.com/d/com.mridulpv.games.mastermind) — 35 users - [Code Breakerr](https://chrome-stats.com/d/com.mendox.codebreaker) — 23 users - [Codebreakers Logic Puzzle](https://chrome-stats.com/d/ca.sparkandspiral.mastermind_codebreaker) — 432 users - [Guess The Code](https://chrome-stats.com/d/com.ramkrishna.guesscode) — 353 users - [Codebreaker: Mastermind Puzzle](https://chrome-stats.com/d/com.creationsaam.codebreaker) — 95 users - [Real Code Breaker](https://chrome-stats.com/d/com.rottzgames.mastermind) — 1,618,327 users, 4.70 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/rc4812.android.logicthinkercode)