Mario's Early Years

From the Super Mario Wiki

Mario's Early Years is a spinoff series consisting of three games:

• Mario's Early Years! Fun with Letters, an educational video game about Literature.
• Mario's Early Years! Fun with Numbers, an educational video game about Numbers.
• Mario's Early Years! Preschool Fun, an educational video game about Basic Learning.

Though it consists of three games, the mini-series as a whole was ranked #3 on ScrewAttack's Top 10 Worst Mario Games[1], with emphasis on Preschool Fun.