Code Master is an Android puzzle game developed by Peter OConnor. The game is based on the classic board game Mastermind, where players have to guess a combination of colors within a certain number of attempts. Code Master offers two difficulty levels, making it suitable for players of all skill levels.

The game features a simple and intuitive interface, with clear instructions on how to play. Players can monitor their progress through the game's statistics monitor, which keeps track of their wins and losses. Overall, Code Master is an enjoyable and challenging game that is perfect for puzzle game enthusiasts.