Share Word Search The Mars Challenge To create your word search for "The Mars Challenge", first select the words you want to use. Choose up to twenty words for your game by clicking on a suggested word or enter your own by typing over an existing word. Suggestions for your word search; click to add. DETERMINATION INTERNATIONAL SPACEFLIGHT NONFICTION SCIENTIFIC CONCEPTUAL MACHINERY THRILLING LOGISTICS ATTITUDE EXPLAINS ESCAPING CLEARLY SETTING HEALTHY TRAVEL ALISON ENTIRE ARTIST WRITER PILOTS HUMANS ENOUGH NOVEL YATES TEENS THING LEARN SPACE TEEN How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title