The free download is a short interactive demo for the iPad
This free preview, constructed with Epic Games’ Unreal® Engine 3, demonstrates the look and feel of the HumanSim immersive world in which medical professionals will soon train-to-proficiency on rare, complicated, or otherwise error-prone tasks. See how state-of-the-art healthcare training and education will soon be provided to physicians, nurses, EMT’s, combat medics, clinical students/residents, emergency services organizations, and healthcare education institutions.
also check out the Virtual Heroes page in Healthcare: http://virtualheroes.com/healthcare.asp. It provides more details on the HumanSim training model