Share Word Search Heart of Steel To create your word search for "Heart of Steel", 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. PROFESSOR MECHANICS ADVANCED REFLECTS FACILITY SPECIAL WEAPONS BATTLES EARLIER PROTECT PLANNED ENGINE ESCAPE CREATE YINSEN MONTHS BECAME TEAMS LENTE SUITS STEEL SIEGE STARK TONY IRON IDEA FRED How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title