Share Word Search Thunder Underground To create your word search for "Thunder Underground", 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. ILLUSTRATIONS COLLECTION EVERYTHING MYSTERIOUS ADVENTURE CREATIONS BENEATH ANCIENT SUBWAYS PRESENT SCIENCE THUNDER POETRY DEEPER WONDER CITIES PLATES ROLLED CAVES NOTED EVOKE YOUNG WORLD MAGMA SHOW PAST KIDS JANE POET AWE How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title