After the player picks either Didi (the red beaver girl) or Ditto (the blue beaver boy), an introductory cinematic tells a story and sets the player's mission. The mission consists in exploring Didi & Ditto's interactive world to collect a number of items by winning educational activities. Collecting all the items means completing the mission and seeing the conclusion cinematic.

The difficulty level set by the player at the beginning of the game corresponds to different and more challenging question sets in the educational activities. Optionally, the player may bypass the entire entertainment part of the game and enter a menu of all educational activities.