4 lines that have 1 missing word in common - what is it? Over 2000 fun word puzzles. Sharpen your skills, Anywhere, Anytime. 4 Lines 1 Word is a free trivia word game. Fun game for word nerds. One word is all you need. ENDLESS FUN WITH NEW PUZZLES. Can you guess the words and unlock the levels? Over 2000 word puzzles from easy to tricky are waiting for you. New puzzles are added continuously for endless word fun. PURE AND INSTANT FUN. No registration, no complicated rules. Just start playing and have fun. SIMPLE AND HIGHLY ADDICTIVE GAMEPLAY. Which word are we looking for? Look at the four lines; find out what word is missing. Guess the word. Win. EXPAND YOUR ENGLISH VOCABULARY. Improve your English vocabulary with Dictionary Search and Random puzzles mode.