Sharpen your number skills with a daily code-cracking puzzle. Choose between two modes, each offering a unique challenge to deduce a secret numerical code. Track your progress and share your achievements with friends.






5+ similar games compared and reviewed
Whether you want more options like HERD or a completely different take on the same concept, our curated list of 5+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.






Sharpen your number skills with a daily code-cracking puzzle. Choose between two modes, each offering a unique challenge to deduce a secret numerical code. Track your progress and share your achievements with friends.




Connect and combine numbers in this addictive puzzle game. Slide numbers in any direction to link identical or doubled values, creating sums that are multiples of two. Aim for high scores by strategically merging numbers.






Engage your mind with a daily collection of renowned crosswords and logic puzzles. Access a vast archive and enjoy a variety of challenges on the go, anytime and anywhere. Perfect for puzzle enthusiasts seeking a mental workout.