Mastermind - World Challenge app for iPhone and iPad

The real multiplayer Mastermind (code breaker) on mobile, play against computer or other online players around the world.

Mastermind (code breaker) is one of the classic board games. The objective is to guess the secret color code in a limited number of attempts. A black key peg is placed for each color peg from the guess which is correct in both color and position. A white key peg indicates the existence of a correct color peg placed in the wrong position. Continue until the guess is correct or no more attempts left.


3 modes:
Classic - Guess the code set by computer
Common - Play against another player and guess the same code set by computer
X-change - Play against another player and guess the code set by each other

No time limit for classic mode.
For Common and X-change mode, players must complete game in 24 hours after challenge being accepted.

Features:
- Play up to 10 active games. Games are automatically saved.
- Intuitive game play, just like the real board. Tap or drag the peg to place or remove the peg.
- Automatic board scrolling
- Support offline when play with computer
- View opponents progress (guesses not revealed for Common mode unless player completed own guesses)
- Use coins to challenge others in different difficulty modes. Earn coins by winning, staying active or watch a rewarded video