Fill empty squares with numbers 1-9 so that each block sums to the clue on its left or top. No number can be repeated within a block. This logic puzzle offers endless fun and sharpens cognitive skills.
What We Love
- 👍 Easy to use
- 🚀 Smooth gameplay
- 🔒 No ads
- 💡 Variety of difficulty levels
- 👍 Helpful features (pencil marks, check progress)
Room to Improve
- 🐛 Some puzzles have multiple valid solutions
- 💡 Wish for more advanced solving techniques
- 💡 Ability to highlight/add pencil marks to multiple cells at once
- 💡 Option to auto-fill pencil marks after using hints
