One week before Friday the 13th, the day that all fairies fall powerless, Crocker performs a dastardly experiment that will once and for all prove that fairies exist. But his experiment backfires and turns Timmy's world into the Anti-World where everything is opposite—even Timmy and his Fairy Godparents! And now, Anti-Cosmo, Anti-Wanda, and Anti-Timmy are hatching a sinister plan to stop the earth from turning to make it Friday the 13th forever. With their powers slowly dwindling as the dreadful day approaches, the real Timmy and his Fairy Godparents must travel through the Anti-lands and save the rest of the world from the evil Anti-Fairies.
- Wanda and Cosmo as playable characters for the first time ever
- Wish fulfillment system that turns Timmy into action-hero characters with unique melee attacks
- Anti-versions of the major Fairly Odd Parents characters which adds a hilarious twist to the gameplay