"Easy Spanish", an educational game for learning 5,000 most frequent words in Spanish language. "Easy Spanish" successfully combines scientific methods and video game mechanics for effective language learning. Acquiring an extensive vocabulary is one of the largest challenges in learning a second language. It is known that the 4,000-5,000 most frequent words account for up to 95 percent of a written text and the 1,000 most frequent words account for 85 percent of speech. "Easy Spanish" contains 5,000 words commonly used in Spanish language.