Try your memory and your knowledge, answering questions or interpreting the definitions. You have to constructs the pyramids of words beginning for the low level, words of two letters, the word of the following level must include the letters of the previous word, inside the same pyramid. You take 5 words by pyramid with 20 levels in order to improve your skills. If you get stuck you can use the "joker", but, be carefoul, you only have 1 by game, take advantage of it and enjoy it.
Full version "Pyramidal palabrator" in your App Store with more than 250 levels. You have also the spaninsh version to improve your spanish language.