Mission Masters Math Grade 3: Defeat Dirty D! is an educational title focusing on math skills for ages seven to nine. Educational topics involve Problem Solving, Communication, Reasoning, Connections, Estimation, Number Sense and Numeration, Number Operations and Computation, Geometry, Spatial Sense, Measurement, Probability, Statistics, Fractions, Decimals, Patterns, and Relationships, targeted according to the NCTM standards.

The story follows Dirty D, a school bully who causes havoc of the amusement parks. With the player’s help, he/she becomes a secret agent and is assigned on a mission by playing five math games, and once the mission is completed, the park will be liberated and Dirty D will prevent the havoc from happening again.