Demo version is timed and limited to four teams so you can test it out for free. The full original game was made as a review tool for the classroom. It can be used for two to six teams and keeps score automatically. Includes over one hundred review questions. Teams open barn doors to reveal questions. Answering questions correctly reveals prizes and/or moves mouse forward to goal. Sound effects and graphics while teams take turns at the Smartboard or Promethean Board. Can be directed by the teacher via the computer(PC/Windows only) . Students now have the added option of sabotaging play for more interaction. Adapt the game to your needs with variable teams, variable game length and save option.