I attended SIGGRAPH 2005, and there was a group in the booths that had some headset you would put on that would alter your balance to make you walk in different directions. They had a video playing if someone walking with this device and blind folds on, and someone with a joystick could turn them left and right.

Looked it up and it appears to be a similar type of technology: Galvanic Vestibular Stimulation:

https://dl.acm.org/citation.cfm?id=1187315