MATH's UP! is a basic math-infused puzzle game designed for all ages! Simple addition puzzles start the game and give way to subtraction soon after. Up the ante, literally, by beating levels and acquiring new number ranges to puzzle with. With no timer, no pressure, the joy is exclusively in solving the puzzle! Play through hundreds of combination levels and finally enjoy infinite puzzling or start over again. Simple enough for kids to enjoy, but with enough complexity to keep any puzzler interested. IN-APP Purchases unlock all grid combinations, number ranges, and themes! FEATURES: 11 Unique Themes 3 x 3 Puzzles 4 x 4 Puzzles Unlockable Achievements Solve Puzzle Button (for when you're stuck!) SIMPLE RULES: 1. Start Anywhere on the Bottom Row. 2. Use Every Row 3. End Anywhere on the Top Row. THEN CELEBRATE BIG! If you love MATH's UP as much as we do, let us know what you'd like to see in the next version!