1. An apparatus, comprising: a personal viewing device configured to display an image of a simulated environment, the personal viewing device configured to be worn by a user; at least one sensor coupled to the personal viewing device; at least one camera coupled to the personal viewing device and facing outwardly with respect to the personal viewing device; and a processor in communication with the personal viewing device, the at least one sensor and the at least one camera, the processor configured to: create the simulated environment, the simulated environment including the user, define a representation of the user's health within the simulated environment, identify a projectile captured by the camera and assign a health modifier to the projectile, identify the projectile striking the user, and modify the representation of the user's health within the simulated environment based on the projectile striking the user.