Share Word Search The Case of the Secret Tunnel To create your word search for "The Case of the Secret Tunnel", 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 UNDERGROUND THROUGHOUT DETECTIVE SUSPECTED VICTORIAN SLEUTHING DISCOVERS STARRING BALANCES HITCHINS MYSTERY FRIENDS COMPANY STREETS HEROINE LONDON MAISIE CLAIMS GRANGE TAKES CLERK HOLLY TRUTH WORK LONG CASE WEB ODD LED How do you want the words displayed in the game? Forward Down Diagonal Backward Puzzle Title