Number Munchers is a nostalgic math-based game designed for iPhone users, blending classic gameplay with modern twists. Players control Muncher, who navigates a grid to consume correct numbers and equations while avoiding Troggles, the game's antagonistic creatures. With five distinct types of levels—Multiples, Factors, Primes, Equality, and Inequality—players can enhance their math skills through engaging challenges. The game features 250 levels, each increasing in difficulty and complexity, ensuring a rewarding experience as players progress.

The control system is user-friendly, allowing players to move Muncher by touching boxes and double-tapping to eat the correct answers. As players advance, they can earn points and aim for a spot in the world-wide hall of fame. The game also includes a unique feature where players can enjoy short classic movies of Muncher after every three levels, adding to the nostalgic feel of this entertaining educational game.