English Sentence Builder Game funktioniert nicht

Sentence Master is the first game of its kind designed and developed completely by educators to help students eliminate the most common mistake among English language learners, correct word order.  Sentence Master is a fun and educational game for kids and English language students of all ages who want to learn and improve their language skills in a more entertaining way. It’s easy.  Play and learn English grammar, vocabulary and sentence structure free by ordering the words to form correct sentences and sayings.  With four levels from beginner to expert, Sentence Master is a challenge for everyone from the Beginner to the most seasoned English language communicators.  The game consists of putting the scrambled words from each level in order to form a correct sentence. (Beginner, skilled, professional, expert, sayings.  The Proverbs and Sayings level is a great way to learn and remember popular English idioms and expressions.  This level is great for adults who are beginning their English language learning adventure.  Professional: Great for users with a solid base in English who want to keep their skills up to date.  If you make a mistake and click the English Word in the incorrect order, there is a time penalty.  Are you an English expert who wants to show off your skills?  Are you an English student who wants to improve your skills?  Sentence Master will help you organize the words in your sentences correctly.  You can share your knowledge with other players worldwide thanks to online multiplayer mode or with your friends on Game Center.  Expert: Only for those with the most proficient English skills. Are you one of them?  Learn English with a smile on your face.  Once you have completed the sentence you will receive a score based on how fast you were and your total number of errors.