Same here (FF20). The final link to the Quake demo does work though (and other pointer lock demos like https://developer.mozilla.org/demos/detail/bananabread ht

Same here (FF20). The final link to the Quake demo does work though (and other pointer lock demos like https://developer.mozilla.org/demos/detail/bananabread https://developer.mozilla.org/demos/detail/bananabread ), so something seems wrong with the examples.