Sum Challenge: Number Grid is an engaging and challenging number puzzle game designed to enhance your mental arithmetic and logical reasoning skills. The objective is to select numbers within a grid so that the sums of each row, column, and colored region match the specified targets. Each puzzle has a unique solution, requiring players to carefully consider which numbers to include or exclude. The game offers a stimulating experience that combines fun with educational value. 🧠 Key Features: ⭐ Grid-Based Challenges: Work through puzzles ranging from 3x3 to 10x10 grids, each increasing in complexity. ⭐ Unique Solutions: Every puzzle is designed with a single correct answer, promoting critical thinking and precision. ⭐ Interactive Tools: Utilize toggles to switch between selecting and deselecting numbers, aiding in strategy development. ⭐ Progressive Difficulty: As you advance, puzzles become more intricate, offering a continuous challenge to your problem-solving abilities.