Share Word Search Hidden Systems To create your word search for "Hidden Systems", 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. ENVIRONMENTAL EXPLANATIONS ENGINEERING ELECTRICITY ACCESSIBLE INTERESTED RECURRING OWNERSHIP SUBJECTS RESOURCE CURIOUS CLARITY CLIMATE GRAPHIC DELIVER SUBJECT NOTABLE SCIENCE LIMITED RELATED CHANGE ACROSS PRIMER VOLUME HUMANS WORLD FEAT CELL LINE DAN How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title