The Mego 2-XL Robot was a toy robot which used 8-track tape cartridges to play trivia games. The four different programs were swapped between over the course of the game as the player selected different answers. This enabled the robot to give feedback based on the different answers.
This was a very simple program. The first program uses only the first two buttons: "A. Accurate" or "B. Not Accurate". The second program uses only the final two buttons: "C. True" or "D. False". This program consists of 2-XL telling the user about some of the most impressive things. The user then has to evaluate whether this is a real "Wonder of the World" or fake.