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 REFLECTS FACILITY ADVANCED PROTECT PLANNED CAPTURE EARLIER WEAPONS SPECIAL BATTLES CREATE ESCAPE MONTHS BECAME ENGINE STARK FORCE STEEL SIEGE TEAMS SUITS BUILD FRED TONY IDEA How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title