The secret ending in Indiana Jones and the Great Circle provides a glimpse of one of the main characters of the story and explains what happens to them.
The campaign in Indiana Jones and the Great Circle takes you on a journey across the picturesque settings of Sukhothai, the Vatican, Egypt, and many other locations.
Indiana Jones is still a professor, not a superhero in Indiana Jones and the Great Circle. He can't take much punishment unless you upgrade his HP like this.