1. Key Features - A word chain game that starts with a three-letter word - Must use only three-letter words - Korean Middle Word Relay function that combines English, Chinese characters and Chinese expressions. - Brain development game using spare time. - Improve your Korean language skills by playing games for a limited time.2. Contents including Korean Middle Word Relay data : About 130,000 words in total3. Basic Rules - A word chain game that starts with the first letter of a given word. - Use common nouns (some adjectives are possible) - Criteria for the dictionary of standard Korean words and place names in Korea. - Word description is written in the dictionary of wise sayings, common sense, and Chinese description. - Save in-game function - Hint function (Coin required) - Timeout (60 seconds) or fewer chance if incorrect words are entered. -> 3 chances (hearts) per game. -> Game over if level 30 is exceeded.