given the sniper portion of the game, it would be cool to add 'critical' zones to the enemies as well to reward more precise aiming. So a headshot does more damage than a leg shot, etc.
if you are having trouble beating the glacier in under 30 seconds...just do a wheelie as soon as it starts to crash...you'll then spawn at least half way down the track
I needed to leave all the options that I could for people who might want to re-read the dialogue.