Identify the differences and click it to confirm. You get 50 points for every correct click and you lose 10 points for every wrong click. At the end of the third wrong click, the game gets over.
Source
http://www.123bee.com/play/elton_johns_the_road_to_el_dorado_-_spot_the_difference/13006.html
Elton Johns the Road to El Dorado – Spot the Difference screenshots
