Enter the following codes at the overhead map to unlock the corresponding cheat:
dhbambi: shows deer location on the overhead map
dhstealth: deer can’t hear or smell
dhdoeinheat: get all bucks
dhbuckdown: deer will stay if shot misses
dhsportaxi: get beg deer
dhfastgun: unlock faster reloads
dhbigbuck: get 15 points to last buck killed
dhhunter: quiet hunter