Charlie Brown's ABC's is a casual, rhythm educational game in which players learn the alphabet through interactive animations and activities featuring Peanuts characters. In this game, children aged 3-7 are introduced to each letter of the alphabet with corresponding animations and objects that start with that letter, such as Charlie Brown playing guitar for 'G' or Snoopy dancing for 'R'. Players can select individual letters to view their animations or use arrow keys to navigate through the alphabet. It stands out with its charming use of Charles Schulz's Peanuts characters, engaging animations, and supplementary activity cards that offer additional learning suggestions for parents and teachers, making it a comprehensive educational tool for early childhood literacy.