Arrowsmove horse or rider (when dismounted) in direction of the arrow
Page Upincrease the gate of the horse (walk, trot, canter, gallop, sprint)
Page Downdecrease the horse's gate
Mrider dismount or mount the horse
Vchange camera angle to/from first-person viewjump horse
Spacejump the horse
Mouse wheelzoom camera in/out
Alt-Mouse movepan the camera view