This is a 'Masyu’ logic puzzle. I'll be sharing the rules along with some tips, tricks, and strategies on how to solve them.
Try solving some of these puzzles yourself here: https://www.puzzle-masyu.com/
Check out some of my puzzle books on Amazon -
100 Sudoku Variants Puzzle Book: https://www.amazon.com/dp/B08P3PCC85
100 Logic Puzzles Book – Volume 1: https://www.amazon.com/dp/B08T71QVQ8
100 Logic Puzzles Book – Volume 2: https://www.amazon.com/dp/B08YQCP6L6
100 Logic Puzzles Book - Volume 3: https://www.amazon.com/dp/B094LGBW7W
Other puzzle tutorials: https://www.youtube.com/playlist?list=PLdOZQX8VRXuywHFBj9TZg26rzan_sSR-H
