Can you crack these codebreakers in under a minute? 60 Codebreaker Challenge turns puzzles into a high-speed mental workout, where every second counts.
Designed for puzzle lovers who thrive under pressure, this book combines the thrill of racing the clock with the satisfaction of solving clever challenges.
You can start with easy puzzles and work your way up to expert level, while monitoring your improvements and pushing for personal bests with time-tracking charts.
Puzzle types include:
. . . and many more!
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