In Codebreaker, players tackle a series of puzzles that require them to decipher garbled text, decode Morse code, and identify missing elements in sequences. The gameplay emphasizes analytical thinking and logic, with challenges that progressively increase in difficulty.

The storyline of Codebreaker revolves around the player's journey to become a master decoder, starting with simple character substitution puzzles and advancing to more complex challenges as they unlock different paths. Each path presents unique tasks that test the player's cognitive abilities.

Codebreaker stands out with its emphasis on mental acuity rather than reflexes, offering a unique blend of puzzles that require patience and analytical skills, making it a distinctive experience in the puzzle genre.